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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:

def set_broad_fig_style(self):
        '''4 times width, 1.5 times height'''
        plt.rcParams.update({
            'figure.figsize' : [self.frontierswidth/self.inchpercm*4, self.frontierswidth/self.inchpercm*1.5],
        })