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Finding the Fourth Proportional to 116.12, 174.17 and 34.97

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Solution

The fourth proportional to 116.12, 174.17 and 34.97 is: 52.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.12 : 174.17 = 34.97 : x
  2. Step 2: Convert to fraction form
    116.12/174.17 = 34.97/x
  3. Step 3: Cross multiply
    116.12x = 174.17 × 34.97
  4. Step 4: Simplify right side
    116.12x = 6,090.72
  5. Step 5: Solve for x
    x = 6,090.72/116.12
  6. Step 6: Final answer
    x = 52.45

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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.