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Finding the Fourth Proportional to 174.82, 241.19 and 104.90

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Solution

The fourth proportional to 174.82, 241.19 and 104.90 is: 144.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.82 : 241.19 = 104.90 : x
  2. Step 2: Convert to fraction form
    174.82/241.19 = 104.90/x
  3. Step 3: Cross multiply
    174.82x = 241.19 × 104.90
  4. Step 4: Simplify right side
    174.82x = 25,301.17
  5. Step 5: Solve for x
    x = 25,301.17/174.82
  6. Step 6: Final answer
    x = 144.73

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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.