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Finding the Fourth Proportional to 168.73, 252.54 and 116.60

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Solution

The fourth proportional to 168.73, 252.54 and 116.60 is: 174.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    168.73 : 252.54 = 116.60 : x
  2. Step 2: Convert to fraction form
    168.73/252.54 = 116.60/x
  3. Step 3: Cross multiply
    168.73x = 252.54 × 116.60
  4. Step 4: Simplify right side
    168.73x = 29,444.90
  5. Step 5: Solve for x
    x = 29,444.90/168.73
  6. Step 6: Final answer
    x = 174.51

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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.