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Finding the Fourth Proportional to 174.91, 241.40 and 104.97

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Solution

The fourth proportional to 174.91, 241.40 and 104.97 is: 144.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.91 : 241.40 = 104.97 : x
  2. Step 2: Convert to fraction form
    174.91/241.40 = 104.97/x
  3. Step 3: Cross multiply
    174.91x = 241.40 × 104.97
  4. Step 4: Simplify right side
    174.91x = 25,339.76
  5. Step 5: Solve for x
    x = 25,339.76/174.91
  6. Step 6: Final answer
    x = 144.87

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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.