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Finding the Fourth Proportional to 101.44, 152.11 and 36.42

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Solution

The fourth proportional to 101.44, 152.11 and 36.42 is: 54.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    101.44 : 152.11 = 36.42 : x
  2. Step 2: Convert to fraction form
    101.44/152.11 = 36.42/x
  3. Step 3: Cross multiply
    101.44x = 152.11 × 36.42
  4. Step 4: Simplify right side
    101.44x = 5,540.32
  5. Step 5: Solve for x
    x = 5,540.32/101.44
  6. Step 6: Final answer
    x = 54.62

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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.