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Finding the Fourth Proportional to 252.26, 348.24 and 169.42

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Solution

The fourth proportional to 252.26, 348.24 and 169.42 is: 233.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    252.26 : 348.24 = 169.42 : x
  2. Step 2: Convert to fraction form
    252.26/348.24 = 169.42/x
  3. Step 3: Cross multiply
    252.26x = 348.24 × 169.42
  4. Step 4: Simplify right side
    252.26x = 58,998.82
  5. Step 5: Solve for x
    x = 58,998.82/252.26
  6. Step 6: Final answer
    x = 233.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.