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Finding the Fourth Proportional to 241.44, 362.17 and 76.91

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Solution

The fourth proportional to 241.44, 362.17 and 76.91 is: 115.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.44 : 362.17 = 76.91 : x
  2. Step 2: Convert to fraction form
    241.44/362.17 = 76.91/x
  3. Step 3: Cross multiply
    241.44x = 362.17 × 76.91
  4. Step 4: Simplify right side
    241.44x = 27,854.49
  5. Step 5: Solve for x
    x = 27,854.49/241.44
  6. Step 6: Final answer
    x = 115.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.