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Finding the Fourth Proportional to 88,881.96, 133,209.24 and 38,948.68

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Solution

The fourth proportional to 88,881.96, 133,209.24 and 38,948.68 is: 58,373.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,881.96 : 133,209.24 = 38,948.68 : x
  2. Step 2: Convert to fraction form
    88,881.96/133,209.24 = 38,948.68/x
  3. Step 3: Cross multiply
    88,881.96x = 133,209.24 × 38,948.68
  4. Step 4: Simplify right side
    88,881.96x = 5,188,324,061.80
  5. Step 5: Solve for x
    x = 5,188,324,061.80/88,881.96
  6. Step 6: Final answer
    x = 58,373.20

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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.