Finding the Fourth Proportional to 88,705,550.80, 133,058,326.20 and 87,511,157.20
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Solution
The fourth proportional to 88,705,550.80, 133,058,326.20 and 87,511,157.20 is: 131,266,735.80
Step by Step Solution
- Step 1: Write the proportion equation
88,705,550.80 : 133,058,326.20 = 87,511,157.20 : x - Step 2: Convert to fraction form
88,705,550.80/133,058,326.20 = 87,511,157.20/x - Step 3: Cross multiply
88,705,550.80x = 133,058,326.20 × 87,511,157.20 - Step 4: Simplify right side
88,705,550.80x = 11,644,088,100,857,080 - Step 5: Solve for x
x = 11,644,088,100,857,080/88,705,550.80 - Step 6: Final answer
x = 131,266,735.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.