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Finding the Fourth Proportional to 168.57, 252.69 and 60.27

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Solution

The fourth proportional to 168.57, 252.69 and 60.27 is: 90.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    168.57 : 252.69 = 60.27 : x
  2. Step 2: Convert to fraction form
    168.57/252.69 = 60.27/x
  3. Step 3: Cross multiply
    168.57x = 252.69 × 60.27
  4. Step 4: Simplify right side
    168.57x = 15,229.63
  5. Step 5: Solve for x
    x = 15,229.63/168.57
  6. Step 6: Final answer
    x = 90.35

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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.