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Finding the Fourth Proportional to 276,393.52, 414,327.81 and 108,021.85

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Solution

The fourth proportional to 276,393.52, 414,327.81 and 108,021.85 is: 161,930.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,393.52 : 414,327.81 = 108,021.85 : x
  2. Step 2: Convert to fraction form
    276,393.52/414,327.81 = 108,021.85/x
  3. Step 3: Cross multiply
    276,393.52x = 414,327.81 × 108,021.85
  4. Step 4: Simplify right side
    276,393.52x = 44,756,456,542.65
  5. Step 5: Solve for x
    x = 44,756,456,542.65/276,393.52
  6. Step 6: Final answer
    x = 161,930.19

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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.