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Finding the Fourth Proportional to 116.24, 174.15 and 108.95

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Solution

The fourth proportional to 116.24, 174.15 and 108.95 is: 163.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.24 : 174.15 = 108.95 : x
  2. Step 2: Convert to fraction form
    116.24/174.15 = 108.95/x
  3. Step 3: Cross multiply
    116.24x = 174.15 × 108.95
  4. Step 4: Simplify right side
    116.24x = 18,972.77
  5. Step 5: Solve for x
    x = 18,972.77/116.24
  6. Step 6: Final answer
    x = 163.23

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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.