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Finding the Fourth Proportional to 229.92, 316.50 and 174.56

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Solution

The fourth proportional to 229.92, 316.50 and 174.56 is: 240.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    229.92 : 316.50 = 174.56 : x
  2. Step 2: Convert to fraction form
    229.92/316.50 = 174.56/x
  3. Step 3: Cross multiply
    229.92x = 316.50 × 174.56
  4. Step 4: Simplify right side
    229.92x = 55,248.24
  5. Step 5: Solve for x
    x = 55,248.24/229.92
  6. Step 6: Final answer
    x = 240.29

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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.