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Finding the Fourth Proportional to 178,162.68, 267,244.02 and 72,962.52

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Solution

The fourth proportional to 178,162.68, 267,244.02 and 72,962.52 is: 109,443.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,162.68 : 267,244.02 = 72,962.52 : x
  2. Step 2: Convert to fraction form
    178,162.68/267,244.02 = 72,962.52/x
  3. Step 3: Cross multiply
    178,162.68x = 267,244.02 × 72,962.52
  4. Step 4: Simplify right side
    178,162.68x = 19,498,797,154.13
  5. Step 5: Solve for x
    x = 19,498,797,154.13/178,162.68
  6. Step 6: Final answer
    x = 109,443.78

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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.