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Finding the Fourth Proportional to 178.46, 267.50 and 62.87

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Solution

The fourth proportional to 178.46, 267.50 and 62.87 is: 94.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    178.46 : 267.50 = 62.87 : x
  2. Step 2: Convert to fraction form
    178.46/267.50 = 62.87/x
  3. Step 3: Cross multiply
    178.46x = 267.50 × 62.87
  4. Step 4: Simplify right side
    178.46x = 16,817.73
  5. Step 5: Solve for x
    x = 16,817.73/178.46
  6. Step 6: Final answer
    x = 94.24

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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.