Staying in the middle class takes a lot of work, according to a new analysis. A look at the numbers from the website GOBankingRates.com found that it took a nearly 42 percent increase in income to remain in the middle class from 2012, the midpoint of the Obama administration, to 2022, the middle of the Biden administration. The site published a state-by-state listing of what it takes to be in the middle class, defining the term as people with an income no less than two-thirds of the median income and no more than double that figure. Although the national minimum to be in the middle class was $…