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Finding the Fourth Proportional to 178.13, 267.26 and 62.59

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Solution

The fourth proportional to 178.13, 267.26 and 62.59 is: 93.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    178.13 : 267.26 = 62.59 : x
  2. Step 2: Convert to fraction form
    178.13/267.26 = 62.59/x
  3. Step 3: Cross multiply
    178.13x = 267.26 × 62.59
  4. Step 4: Simplify right side
    178.13x = 16,726.47
  5. Step 5: Solve for x
    x = 16,726.47/178.13
  6. Step 6: Final answer
    x = 93.90

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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.