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Finding the Fourth Proportional to 223,601.20, 335,729.85 and 135,027.70

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Solution

The fourth proportional to 223,601.20, 335,729.85 and 135,027.70 is: 202,739.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,601.20 : 335,729.85 = 135,027.70 : x
  2. Step 2: Convert to fraction form
    223,601.20/335,729.85 = 135,027.70/x
  3. Step 3: Cross multiply
    223,601.20x = 335,729.85 × 135,027.70
  4. Step 4: Simplify right side
    223,601.20x = 45,332,829,466.85
  5. Step 5: Solve for x
    x = 45,332,829,466.85/223,601.20
  6. Step 6: Final answer
    x = 202,739.65

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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.