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Finding the Fourth Proportional to 250,439.88, 375,660.60 and 72,951.24

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Solution

The fourth proportional to 250,439.88, 375,660.60 and 72,951.24 is: 109,427.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,439.88 : 375,660.60 = 72,951.24 : x
  2. Step 2: Convert to fraction form
    250,439.88/375,660.60 = 72,951.24/x
  3. Step 3: Cross multiply
    250,439.88x = 375,660.60 × 72,951.24
  4. Step 4: Simplify right side
    250,439.88x = 27,404,906,589.14
  5. Step 5: Solve for x
    x = 27,404,906,589.14/250,439.88
  6. Step 6: Final answer
    x = 109,427.09

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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.