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Finding the Fourth Proportional to 174.57, 240.92 and 96.95

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Solution

The fourth proportional to 174.57, 240.92 and 96.95 is: 133.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.57 : 240.92 = 96.95 : x
  2. Step 2: Convert to fraction form
    174.57/240.92 = 96.95/x
  3. Step 3: Cross multiply
    174.57x = 240.92 × 96.95
  4. Step 4: Simplify right side
    174.57x = 23,355.50
  5. Step 5: Solve for x
    x = 23,355.50/174.57
  6. Step 6: Final answer
    x = 133.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.