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Finding the Fourth Proportional to 276,891.32, 415,159.54 and 116,923.92

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Solution

The fourth proportional to 276,891.32, 415,159.54 and 116,923.92 is: 175,310.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,891.32 : 415,159.54 = 116,923.92 : x
  2. Step 2: Convert to fraction form
    276,891.32/415,159.54 = 116,923.92/x
  3. Step 3: Cross multiply
    276,891.32x = 415,159.54 × 116,923.92
  4. Step 4: Simplify right side
    276,891.32x = 48,542,080,842.20
  5. Step 5: Solve for x
    x = 48,542,080,842.20/276,891.32
  6. Step 6: Final answer
    x = 175,310.95

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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.