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Finding the Fourth Proportional to 154.92, 232.22 and 94.04

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Solution

The fourth proportional to 154.92, 232.22 and 94.04 is: 140.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    154.92 : 232.22 = 94.04 : x
  2. Step 2: Convert to fraction form
    154.92/232.22 = 94.04/x
  3. Step 3: Cross multiply
    154.92x = 232.22 × 94.04
  4. Step 4: Simplify right side
    154.92x = 21,837.97
  5. Step 5: Solve for x
    x = 21,837.97/154.92
  6. Step 6: Final answer
    x = 140.96

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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.