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Finding the Fourth Proportional to 174.97, 241.35 and 125.91

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Solution

The fourth proportional to 174.97, 241.35 and 125.91 is: 173.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.97 : 241.35 = 125.91 : x
  2. Step 2: Convert to fraction form
    174.97/241.35 = 125.91/x
  3. Step 3: Cross multiply
    174.97x = 241.35 × 125.91
  4. Step 4: Simplify right side
    174.97x = 30,387.91
  5. Step 5: Solve for x
    x = 30,387.91/174.97
  6. Step 6: Final answer
    x = 173.68

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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.