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Finding the Fourth Proportional to 150.11, 225.14 and 41.88

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Solution

The fourth proportional to 150.11, 225.14 and 41.88 is: 62.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.11 : 225.14 = 41.88 : x
  2. Step 2: Convert to fraction form
    150.11/225.14 = 41.88/x
  3. Step 3: Cross multiply
    150.11x = 225.14 × 41.88
  4. Step 4: Simplify right side
    150.11x = 9,428.86
  5. Step 5: Solve for x
    x = 9,428.86/150.11
  6. Step 6: Final answer
    x = 62.81

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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.