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Finding the Fourth Proportional to 168.08, 252.24 and 114.04

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Solution

The fourth proportional to 168.08, 252.24 and 114.04 is: 171.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    168.08 : 252.24 = 114.04 : x
  2. Step 2: Convert to fraction form
    168.08/252.24 = 114.04/x
  3. Step 3: Cross multiply
    168.08x = 252.24 × 114.04
  4. Step 4: Simplify right side
    168.08x = 28,765.45
  5. Step 5: Solve for x
    x = 28,765.45/168.08
  6. Step 6: Final answer
    x = 171.14

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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.