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Finding the Fourth Proportional to 104.44, 144.45 and 93.52

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Solution

The fourth proportional to 104.44, 144.45 and 93.52 is: 129.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    104.44 : 144.45 = 93.52 : x
  2. Step 2: Convert to fraction form
    104.44/144.45 = 93.52/x
  3. Step 3: Cross multiply
    104.44x = 144.45 × 93.52
  4. Step 4: Simplify right side
    104.44x = 13,508.96
  5. Step 5: Solve for x
    x = 13,508.96/104.44
  6. Step 6: Final answer
    x = 129.35

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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.