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Finding the Fourth Proportional to 227.92, 341.76 and 113.92

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Solution

The fourth proportional to 227.92, 341.76 and 113.92 is: 170.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    227.92 : 341.76 = 113.92 : x
  2. Step 2: Convert to fraction form
    227.92/341.76 = 113.92/x
  3. Step 3: Cross multiply
    227.92x = 341.76 × 113.92
  4. Step 4: Simplify right side
    227.92x = 38,933.30
  5. Step 5: Solve for x
    x = 38,933.30/227.92
  6. Step 6: Final answer
    x = 170.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.