GRAND RAPIDS, MICH (AP).- Frederik Meijer, who built the regional retail powerhouse Meijer Inc. while nurturing his lifelong love of the arts, died late Friday at a hospital in western Michigan. He was 91. The billionaire passed away at the Spectrum Health System in Grand Rapids after suffering a stroke in his home early Friday morning, according to a statement issued by the company. Meijer was credited with starting the supercenter store format in the 1960s that made Meijer a successful Midwest retailer. By 2009, Meijer had 180 of the giant stores throughout Illinois, Indiana, Kentucky, Michigan and Ohio with annual sales of $15 billion. He and his wife also gave millions of dollars to causes in the Grand Rapids area, and arts projects were major benefactors. “The Meijer family thanks everyone for their thoughts and prayers and requests their privacy be respected at this difficult time,” the company’s statement said. Meijer was 14 when his Dutch immigrant father, Hendrik, open