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Finding the Fourth Proportional to 96.92, 144.58 and 83.24

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Solution

The fourth proportional to 96.92, 144.58 and 83.24 is: 124.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.92 : 144.58 = 83.24 : x
  2. Step 2: Convert to fraction form
    96.92/144.58 = 83.24/x
  3. Step 3: Cross multiply
    96.92x = 144.58 × 83.24
  4. Step 4: Simplify right side
    96.92x = 12,034.84
  5. Step 5: Solve for x
    x = 12,034.84/96.92
  6. Step 6: Final answer
    x = 124.17

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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.