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Finding the Fourth Proportional to 252.28, 347.96 and 164.92

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Solution

The fourth proportional to 252.28, 347.96 and 164.92 is: 227.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    252.28 : 347.96 = 164.92 : x
  2. Step 2: Convert to fraction form
    252.28/347.96 = 164.92/x
  3. Step 3: Cross multiply
    252.28x = 347.96 × 164.92
  4. Step 4: Simplify right side
    252.28x = 57,385.56
  5. Step 5: Solve for x
    x = 57,385.56/252.28
  6. Step 6: Final answer
    x = 227.47

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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.