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Finding the Fourth Proportional to 168.17, 252 and 163.24

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Solution

The fourth proportional to 168.17, 252 and 163.24 is: 244.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    168.17 : 252 = 163.24 : x
  2. Step 2: Convert to fraction form
    168.17/252 = 163.24/x
  3. Step 3: Cross multiply
    168.17x = 252 × 163.24
  4. Step 4: Simplify right side
    168.17x = 41,135.85
  5. Step 5: Solve for x
    x = 41,135.85/168.17
  6. Step 6: Final answer
    x = 244.62

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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.