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Finding the Fourth Proportional to 178.24, 267.13 and 62.56

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Solution

The fourth proportional to 178.24, 267.13 and 62.56 is: 93.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    178.24 : 267.13 = 62.56 : x
  2. Step 2: Convert to fraction form
    178.24/267.13 = 62.56/x
  3. Step 3: Cross multiply
    178.24x = 267.13 × 62.56
  4. Step 4: Simplify right side
    178.24x = 16,711.65
  5. Step 5: Solve for x
    x = 16,711.65/178.24
  6. Step 6: Final answer
    x = 93.76

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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.