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Finding the Fourth Proportional to 95.28, 142.97 and 41.11

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Solution

The fourth proportional to 95.28, 142.97 and 41.11 is: 61.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.28 : 142.97 = 41.11 : x
  2. Step 2: Convert to fraction form
    95.28/142.97 = 41.11/x
  3. Step 3: Cross multiply
    95.28x = 142.97 × 41.11
  4. Step 4: Simplify right side
    95.28x = 5,876.93
  5. Step 5: Solve for x
    x = 5,876.93/95.28
  6. Step 6: Final answer
    x = 61.68

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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.