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Finding the Fourth Proportional to 223,844.20, 335,790.90 and 74,029.92

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Solution

The fourth proportional to 223,844.20, 335,790.90 and 74,029.92 is: 111,053.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,844.20 : 335,790.90 = 74,029.92 : x
  2. Step 2: Convert to fraction form
    223,844.20/335,790.90 = 74,029.92/x
  3. Step 3: Cross multiply
    223,844.20x = 335,790.90 × 74,029.92
  4. Step 4: Simplify right side
    223,844.20x = 24,858,573,463.73
  5. Step 5: Solve for x
    x = 24,858,573,463.73/223,844.20
  6. Step 6: Final answer
    x = 111,053.02

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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.