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Finding the Fourth Proportional to 178.16, 267.17 and 62.60

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Solution

The fourth proportional to 178.16, 267.17 and 62.60 is: 93.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    178.16 : 267.17 = 62.60 : x
  2. Step 2: Convert to fraction form
    178.16/267.17 = 62.60/x
  3. Step 3: Cross multiply
    178.16x = 267.17 × 62.60
  4. Step 4: Simplify right side
    178.16x = 16,725.67
  5. Step 5: Solve for x
    x = 16,725.67/178.16
  6. Step 6: Final answer
    x = 93.88

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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.