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Finding the Fourth Proportional to 174.25, 240.47 and 95.57

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Solution

The fourth proportional to 174.25, 240.47 and 95.57 is: 131.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.25 : 240.47 = 95.57 : x
  2. Step 2: Convert to fraction form
    174.25/240.47 = 95.57/x
  3. Step 3: Cross multiply
    174.25x = 240.47 × 95.57
  4. Step 4: Simplify right side
    174.25x = 22,981.72
  5. Step 5: Solve for x
    x = 22,981.72/174.25
  6. Step 6: Final answer
    x = 131.89

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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.