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Finding the Fourth Proportional to 300,799.20, 451,182.20 and 101,098.98

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Solution

The fourth proportional to 300,799.20, 451,182.20 and 101,098.98 is: 151,642.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,799.20 : 451,182.20 = 101,098.98 : x
  2. Step 2: Convert to fraction form
    300,799.20/451,182.20 = 101,098.98/x
  3. Step 3: Cross multiply
    300,799.20x = 451,182.20 × 101,098.98
  4. Step 4: Simplify right side
    300,799.20x = 45,614,059,708.66
  5. Step 5: Solve for x
    x = 45,614,059,708.66/300,799.20
  6. Step 6: Final answer
    x = 151,642.89

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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.