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Finding the Fourth Proportional to 141.52, 195 and 104.44

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Solution

The fourth proportional to 141.52, 195 and 104.44 is: 143.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    141.52 : 195 = 104.44 : x
  2. Step 2: Convert to fraction form
    141.52/195 = 104.44/x
  3. Step 3: Cross multiply
    141.52x = 195 × 104.44
  4. Step 4: Simplify right side
    141.52x = 20,365.80
  5. Step 5: Solve for x
    x = 20,365.80/141.52
  6. Step 6: Final answer
    x = 143.91

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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.