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Finding the Fourth Proportional to 116.15, 174.17 and 34.97

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Solution

The fourth proportional to 116.15, 174.17 and 34.97 is: 52.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.15 : 174.17 = 34.97 : x
  2. Step 2: Convert to fraction form
    116.15/174.17 = 34.97/x
  3. Step 3: Cross multiply
    116.15x = 174.17 × 34.97
  4. Step 4: Simplify right side
    116.15x = 6,089.68
  5. Step 5: Solve for x
    x = 6,089.68/116.15
  6. Step 6: Final answer
    x = 52.43

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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.