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Finding the Fourth Proportional to 250,791.66, 376,244.91 and 108,660.59

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Solution

The fourth proportional to 250,791.66, 376,244.91 and 108,660.59 is: 163,015.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,791.66 : 376,244.91 = 108,660.59 : x
  2. Step 2: Convert to fraction form
    250,791.66/376,244.91 = 108,660.59/x
  3. Step 3: Cross multiply
    250,791.66x = 376,244.91 × 108,660.59
  4. Step 4: Simplify right side
    250,791.66x = 40,882,992,023.87
  5. Step 5: Solve for x
    x = 40,882,992,023.87/250,791.66
  6. Step 6: Final answer
    x = 163,015.76

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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.