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Finding the Fourth Proportional to 68,717.60, 103,057.20 and 24,332.43

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Solution

The fourth proportional to 68,717.60, 103,057.20 and 24,332.43 is: 36,491.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,717.60 : 103,057.20 = 24,332.43 : x
  2. Step 2: Convert to fraction form
    68,717.60/103,057.20 = 24,332.43/x
  3. Step 3: Cross multiply
    68,717.60x = 103,057.20 × 24,332.43
  4. Step 4: Simplify right side
    68,717.60x = 2,507,632,105.00
  5. Step 5: Solve for x
    x = 2,507,632,105.00/68,717.60
  6. Step 6: Final answer
    x = 36,491.85

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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.