Oil prices rose for a fifth straight day Friday, as the U.S. dollar weakened and investors focused on signs of an easing supply overhang. U.S. crude futures settled up 46 cents, or 1%, to $46.54 a barrel on the New York Mercantile Exchange. Brent, the global benchmark, rose 49 cents, or 1.01%, to $48.91 on ICE Futures Europe. The dollar tumbled on Friday after U.S. data showed that inflation was flat in June from the prior…