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Finding the Fourth Proportional to 116.10, 173.07 and 110.97

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Solution

The fourth proportional to 116.10, 173.07 and 110.97 is: 165.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.10 : 173.07 = 110.97 : x
  2. Step 2: Convert to fraction form
    116.10/173.07 = 110.97/x
  3. Step 3: Cross multiply
    116.10x = 173.07 × 110.97
  4. Step 4: Simplify right side
    116.10x = 19,205.58
  5. Step 5: Solve for x
    x = 19,205.58/116.10
  6. Step 6: Final answer
    x = 165.42

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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.