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Finding the Fourth Proportional to 87,195, 130,793.73 and 24,865.50

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Solution

The fourth proportional to 87,195, 130,793.73 and 24,865.50 is: 37,298.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,195 : 130,793.73 = 24,865.50 : x
  2. Step 2: Convert to fraction form
    87,195/130,793.73 = 24,865.50/x
  3. Step 3: Cross multiply
    87,195x = 130,793.73 × 24,865.50
  4. Step 4: Simplify right side
    87,195x = 3,252,251,493.32
  5. Step 5: Solve for x
    x = 3,252,251,493.32/87,195
  6. Step 6: Final answer
    x = 37,298.60

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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.