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Finding the Fourth Proportional to 178,449.98, 267,590.22 and 103,593.30

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Solution

The fourth proportional to 178,449.98, 267,590.22 and 103,593.30 is: 155,340.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,449.98 : 267,590.22 = 103,593.30 : x
  2. Step 2: Convert to fraction form
    178,449.98/267,590.22 = 103,593.30/x
  3. Step 3: Cross multiply
    178,449.98x = 267,590.22 × 103,593.30
  4. Step 4: Simplify right side
    178,449.98x = 27,720,553,937.53
  5. Step 5: Solve for x
    x = 27,720,553,937.53/178,449.98
  6. Step 6: Final answer
    x = 155,340.75

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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.