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Finding the Fourth Proportional to 224,722.40, 337,229.40 and 129,952.40

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Solution

The fourth proportional to 224,722.40, 337,229.40 and 129,952.40 is: 195,012.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,722.40 : 337,229.40 = 129,952.40 : x
  2. Step 2: Convert to fraction form
    224,722.40/337,229.40 = 129,952.40/x
  3. Step 3: Cross multiply
    224,722.40x = 337,229.40 × 129,952.40
  4. Step 4: Simplify right side
    224,722.40x = 43,823,769,880.56
  5. Step 5: Solve for x
    x = 43,823,769,880.56/224,722.40
  6. Step 6: Final answer
    x = 195,012.91

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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.