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Finding the Fourth Proportional to 116.24, 173.81 and 88.97

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Solution

The fourth proportional to 116.24, 173.81 and 88.97 is: 133.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.24 : 173.81 = 88.97 : x
  2. Step 2: Convert to fraction form
    116.24/173.81 = 88.97/x
  3. Step 3: Cross multiply
    116.24x = 173.81 × 88.97
  4. Step 4: Simplify right side
    116.24x = 15,463.23
  5. Step 5: Solve for x
    x = 15,463.23/116.24
  6. Step 6: Final answer
    x = 133.03

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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.