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Finding the Fourth Proportional to 313,140.43, 469,736.01 and 88,502.73

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Solution

The fourth proportional to 313,140.43, 469,736.01 and 88,502.73 is: 132,761.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,140.43 : 469,736.01 = 88,502.73 : x
  2. Step 2: Convert to fraction form
    313,140.43/469,736.01 = 88,502.73/x
  3. Step 3: Cross multiply
    313,140.43x = 469,736.01 × 88,502.73
  4. Step 4: Simplify right side
    313,140.43x = 41,572,917,502.80
  5. Step 5: Solve for x
    x = 41,572,917,502.80/313,140.43
  6. Step 6: Final answer
    x = 132,761.26

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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.