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Finding the Fourth Proportional to 168.10, 252.14 and 59.88

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Solution

The fourth proportional to 168.10, 252.14 and 59.88 is: 89.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    168.10 : 252.14 = 59.88 : x
  2. Step 2: Convert to fraction form
    168.10/252.14 = 59.88/x
  3. Step 3: Cross multiply
    168.10x = 252.14 × 59.88
  4. Step 4: Simplify right side
    168.10x = 15,098.14
  5. Step 5: Solve for x
    x = 15,098.14/168.10
  6. Step 6: Final answer
    x = 89.82

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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.