Finding the Fourth Proportional to 95,201.20, 131,489.76 and 63,313.12
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Solution
The fourth proportional to 95,201.20, 131,489.76 and 63,313.12 is: 87,446.66
Step by Step Solution
- Step 1: Write the proportion equation
95,201.20 : 131,489.76 = 63,313.12 : x - Step 2: Convert to fraction form
95,201.20/131,489.76 = 63,313.12/x - Step 3: Cross multiply
95,201.20x = 131,489.76 × 63,313.12 - Step 4: Simplify right side
95,201.20x = 8,325,026,953.65 - Step 5: Solve for x
x = 8,325,026,953.65/95,201.20 - Step 6: Final answer
x = 87,446.66
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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.