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Finding the Fourth Proportional to 224,999.20, 337,498.80 and 130,229.20

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Solution

The fourth proportional to 224,999.20, 337,498.80 and 130,229.20 is: 195,343.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,999.20 : 337,498.80 = 130,229.20 : x
  2. Step 2: Convert to fraction form
    224,999.20/337,498.80 = 130,229.20/x
  3. Step 3: Cross multiply
    224,999.20x = 337,498.80 × 130,229.20
  4. Step 4: Simplify right side
    224,999.20x = 43,952,198,724.96
  5. Step 5: Solve for x
    x = 43,952,198,724.96/224,999.20
  6. Step 6: Final answer
    x = 195,343.80

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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.