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Finding the Fourth Proportional to 99.03, 148.49 and 41.24

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Solution

The fourth proportional to 99.03, 148.49 and 41.24 is: 61.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    99.03 : 148.49 = 41.24 : x
  2. Step 2: Convert to fraction form
    99.03/148.49 = 41.24/x
  3. Step 3: Cross multiply
    99.03x = 148.49 × 41.24
  4. Step 4: Simplify right side
    99.03x = 6,122.78
  5. Step 5: Solve for x
    x = 6,122.78/99.03
  6. Step 6: Final answer
    x = 61.83

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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.