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Finding the Fourth Proportional to 59,142.60, 88,568.10 and 39,313.80

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Solution

The fourth proportional to 59,142.60, 88,568.10 and 39,313.80 is: 58,873.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,142.60 : 88,568.10 = 39,313.80 : x
  2. Step 2: Convert to fraction form
    59,142.60/88,568.10 = 39,313.80/x
  3. Step 3: Cross multiply
    59,142.60x = 88,568.10 × 39,313.80
  4. Step 4: Simplify right side
    59,142.60x = 3,481,948,569.78
  5. Step 5: Solve for x
    x = 3,481,948,569.78/59,142.60
  6. Step 6: Final answer
    x = 58,873.78

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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.