Miami is building a new $265-million Performing Arts Center with a 2,200-seat symphony hall, a 2,480-seat ballet opera house and a 200-seat studio theater. Plans to fill the hall are grandly ambitious, envisioning a flowering of arts and culture that will benefit the region for years to come. “But can we afford it? With the Florida Philharmonic Orchestra, one of the PAC’s crucial five resident companies, already threatening bankruptcy, a disturbing question is raised: Even after the center’s construction is paid for, can South Florida come up with the money to run it?”