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Finding the Fourth Proportional to 40,165.60, 60,167.76 and 22,609.12

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Solution

The fourth proportional to 40,165.60, 60,167.76 and 22,609.12 is: 33,868.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,165.60 : 60,167.76 = 22,609.12 : x
  2. Step 2: Convert to fraction form
    40,165.60/60,167.76 = 22,609.12/x
  3. Step 3: Cross multiply
    40,165.60x = 60,167.76 × 22,609.12
  4. Step 4: Simplify right side
    40,165.60x = 1,360,340,105.97
  5. Step 5: Solve for x
    x = 1,360,340,105.97/40,165.60
  6. Step 6: Final answer
    x = 33,868.29

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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.