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Finding the Fourth Proportional to 107.27, 160.96 and 63.97

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Solution

The fourth proportional to 107.27, 160.96 and 63.97 is: 95.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    107.27 : 160.96 = 63.97 : x
  2. Step 2: Convert to fraction form
    107.27/160.96 = 63.97/x
  3. Step 3: Cross multiply
    107.27x = 160.96 × 63.97
  4. Step 4: Simplify right side
    107.27x = 10,296.61
  5. Step 5: Solve for x
    x = 10,296.61/107.27
  6. Step 6: Final answer
    x = 95.99

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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.