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Finding the Fourth Proportional to 67,424.90, 101,165.70 and 36,223.70

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Solution

The fourth proportional to 67,424.90, 101,165.70 and 36,223.70 is: 54,350.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,424.90 : 101,165.70 = 36,223.70 : x
  2. Step 2: Convert to fraction form
    67,424.90/101,165.70 = 36,223.70/x
  3. Step 3: Cross multiply
    67,424.90x = 101,165.70 × 36,223.70
  4. Step 4: Simplify right side
    67,424.90x = 3,664,595,967.09
  5. Step 5: Solve for x
    x = 3,664,595,967.09/67,424.90
  6. Step 6: Final answer
    x = 54,350.78

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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.