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Finding the Fourth Proportional to 252.66, 348.42 and 182.58

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Solution

The fourth proportional to 252.66, 348.42 and 182.58 is: 251.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    252.66 : 348.42 = 182.58 : x
  2. Step 2: Convert to fraction form
    252.66/348.42 = 182.58/x
  3. Step 3: Cross multiply
    252.66x = 348.42 × 182.58
  4. Step 4: Simplify right side
    252.66x = 63,614.52
  5. Step 5: Solve for x
    x = 63,614.52/252.66
  6. Step 6: Final answer
    x = 251.78

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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.