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Finding the Fourth Proportional to 373,324.60, 560,205.60 and 136,691.20

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Solution

The fourth proportional to 373,324.60, 560,205.60 and 136,691.20 is: 205,116.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,324.60 : 560,205.60 = 136,691.20 : x
  2. Step 2: Convert to fraction form
    373,324.60/560,205.60 = 136,691.20/x
  3. Step 3: Cross multiply
    373,324.60x = 560,205.60 × 136,691.20
  4. Step 4: Simplify right side
    373,324.60x = 76,575,175,710.72
  5. Step 5: Solve for x
    x = 76,575,175,710.72/373,324.60
  6. Step 6: Final answer
    x = 205,116.88

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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.