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Finding the Fourth Proportional to 252.71, 348.36 and 169.63

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Solution

The fourth proportional to 252.71, 348.36 and 169.63 is: 233.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    252.71 : 348.36 = 169.63 : x
  2. Step 2: Convert to fraction form
    252.71/348.36 = 169.63/x
  3. Step 3: Cross multiply
    252.71x = 348.36 × 169.63
  4. Step 4: Simplify right side
    252.71x = 59,092.31
  5. Step 5: Solve for x
    x = 59,092.31/252.71
  6. Step 6: Final answer
    x = 233.83

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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.