Finding the Fourth Proportional to 126,177,922.80, 176,904,183.60 and 126,177,922.80
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Solution
The fourth proportional to 126,177,922.80, 176,904,183.60 and 126,177,922.80 is: 176,904,183.60
Step by Step Solution
- Step 1: Write the proportion equation
126,177,922.80 : 176,904,183.60 = 126,177,922.80 : x - Step 2: Convert to fraction form
126,177,922.80/176,904,183.60 = 126,177,922.80/x - Step 3: Cross multiply
126,177,922.80x = 176,904,183.60 × 126,177,922.80 - Step 4: Simplify right side
126,177,922.80x = 22,321,402,421,277,824 - Step 5: Solve for x
x = 22,321,402,421,277,824/126,177,922.80 - Step 6: Final answer
x = 176,904,183.60
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.