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Finding the Fourth Proportional to 96.98, 133.85 and 60.17

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Solution

The fourth proportional to 96.98, 133.85 and 60.17 is: 83.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.98 : 133.85 = 60.17 : x
  2. Step 2: Convert to fraction form
    96.98/133.85 = 60.17/x
  3. Step 3: Cross multiply
    96.98x = 133.85 × 60.17
  4. Step 4: Simplify right side
    96.98x = 8,053.45
  5. Step 5: Solve for x
    x = 8,053.45/96.98
  6. Step 6: Final answer
    x = 83.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.