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Finding the Fourth Proportional to 95.92, 143.14 and 84.52

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Solution

The fourth proportional to 95.92, 143.14 and 84.52 is: 126.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.92 : 143.14 = 84.52 : x
  2. Step 2: Convert to fraction form
    95.92/143.14 = 84.52/x
  3. Step 3: Cross multiply
    95.92x = 143.14 × 84.52
  4. Step 4: Simplify right side
    95.92x = 12,098.19
  5. Step 5: Solve for x
    x = 12,098.19/95.92
  6. Step 6: Final answer
    x = 126.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.