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Finding the Fourth Proportional to 276,392.52, 414,326.31 and 108,020.85

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Solution

The fourth proportional to 276,392.52, 414,326.31 and 108,020.85 is: 161,928.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,392.52 : 414,326.31 = 108,020.85 : x
  2. Step 2: Convert to fraction form
    276,392.52/414,326.31 = 108,020.85/x
  3. Step 3: Cross multiply
    276,392.52x = 414,326.31 × 108,020.85
  4. Step 4: Simplify right side
    276,392.52x = 44,755,880,183.56
  5. Step 5: Solve for x
    x = 44,755,880,183.56/276,392.52
  6. Step 6: Final answer
    x = 161,928.70

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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.