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Finding the Fourth Proportional to 178.15, 267.14 and 62.57

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Solution

The fourth proportional to 178.15, 267.14 and 62.57 is: 93.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    178.15 : 267.14 = 62.57 : x
  2. Step 2: Convert to fraction form
    178.15/267.14 = 62.57/x
  3. Step 3: Cross multiply
    178.15x = 267.14 × 62.57
  4. Step 4: Simplify right side
    178.15x = 16,714.95
  5. Step 5: Solve for x
    x = 16,714.95/178.15
  6. Step 6: Final answer
    x = 93.83

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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.