Finding the Fourth Proportional to 69,502,873.13, 95,573,842.67 and 60,319,572.65
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Solution
The fourth proportional to 69,502,873.13, 95,573,842.67 and 60,319,572.65 is: 82,945,827.80
Step by Step Solution
- Step 1: Write the proportion equation
69,502,873.13 : 95,573,842.67 = 60,319,572.65 : x - Step 2: Convert to fraction form
69,502,873.13/95,573,842.67 = 60,319,572.65/x - Step 3: Cross multiply
69,502,873.13x = 95,573,842.67 × 60,319,572.65 - Step 4: Simplify right side
69,502,873.13x = 5,764,973,345,593,269 - Step 5: Solve for x
x = 5,764,973,345,593,269/69,502,873.13 - Step 6: Final answer
x = 82,945,827.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.