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Finding the Fourth Proportional to 174.59, 240.89 and 96.96

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Solution

The fourth proportional to 174.59, 240.89 and 96.96 is: 133.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.59 : 240.89 = 96.96 : x
  2. Step 2: Convert to fraction form
    174.59/240.89 = 96.96/x
  3. Step 3: Cross multiply
    174.59x = 240.89 × 96.96
  4. Step 4: Simplify right side
    174.59x = 23,356.21
  5. Step 5: Solve for x
    x = 23,356.21/174.59
  6. Step 6: Final answer
    x = 133.78

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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.