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Finding the Fourth Proportional to 116.73, 173.97 and 113.85

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Solution

The fourth proportional to 116.73, 173.97 and 113.85 is: 169.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.73 : 173.97 = 113.85 : x
  2. Step 2: Convert to fraction form
    116.73/173.97 = 113.85/x
  3. Step 3: Cross multiply
    116.73x = 173.97 × 113.85
  4. Step 4: Simplify right side
    116.73x = 19,806.48
  5. Step 5: Solve for x
    x = 19,806.48/116.73
  6. Step 6: Final answer
    x = 169.68

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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.