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Finding the Fourth Proportional to 225.92, 338.90 and 116.07

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Solution

The fourth proportional to 225.92, 338.90 and 116.07 is: 174.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    225.92 : 338.90 = 116.07 : x
  2. Step 2: Convert to fraction form
    225.92/338.90 = 116.07/x
  3. Step 3: Cross multiply
    225.92x = 338.90 × 116.07
  4. Step 4: Simplify right side
    225.92x = 39,335.54
  5. Step 5: Solve for x
    x = 39,335.54/225.92
  6. Step 6: Final answer
    x = 174.12

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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.