The seven largest U.S. airlines are to collectively report $152 million in profits from a record $33.3 billion in revenues for the fourth quarter, according to projections from AirlineFinancials.com LLC. This will mark the third consecutive year of fourth quarter profits after 10 years of losses. American Airlines and United Airlines are the only two carriers expected to report a loss and not have record revenue in the fourth quarter. Individual airline projections for the fourth quarter 2012 are…