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Finding the Fourth Proportional to 174.57, 240.89 and 96.94

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Solution

The fourth proportional to 174.57, 240.89 and 96.94 is: 133.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.57 : 240.89 = 96.94 : x
  2. Step 2: Convert to fraction form
    174.57/240.89 = 96.94/x
  3. Step 3: Cross multiply
    174.57x = 240.89 × 96.94
  4. Step 4: Simplify right side
    174.57x = 23,351.88
  5. Step 5: Solve for x
    x = 23,351.88/174.57
  6. Step 6: Final answer
    x = 133.77

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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.