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Finding the Fourth Proportional to 244.12, 365.92 and 99.73

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Solution

The fourth proportional to 244.12, 365.92 and 99.73 is: 149.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.12 : 365.92 = 99.73 : x
  2. Step 2: Convert to fraction form
    244.12/365.92 = 99.73/x
  3. Step 3: Cross multiply
    244.12x = 365.92 × 99.73
  4. Step 4: Simplify right side
    244.12x = 36,493.20
  5. Step 5: Solve for x
    x = 36,493.20/244.12
  6. Step 6: Final answer
    x = 149.49

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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.