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Finding the Fourth Proportional to 168.13, 252.10 and 58.41

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Solution

The fourth proportional to 168.13, 252.10 and 58.41 is: 87.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    168.13 : 252.10 = 58.41 : x
  2. Step 2: Convert to fraction form
    168.13/252.10 = 58.41/x
  3. Step 3: Cross multiply
    168.13x = 252.10 × 58.41
  4. Step 4: Simplify right side
    168.13x = 14,726.23
  5. Step 5: Solve for x
    x = 14,726.23/168.13
  6. Step 6: Final answer
    x = 87.59

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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.