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Finding the Fourth Proportional to 252.17, 348.11 and 169.25

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Solution

The fourth proportional to 252.17, 348.11 and 169.25 is: 233.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    252.17 : 348.11 = 169.25 : x
  2. Step 2: Convert to fraction form
    252.17/348.11 = 169.25/x
  3. Step 3: Cross multiply
    252.17x = 348.11 × 169.25
  4. Step 4: Simplify right side
    252.17x = 58,916.62
  5. Step 5: Solve for x
    x = 58,916.62/252.17
  6. Step 6: Final answer
    x = 233.64

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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.