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Finding the Fourth Proportional to 199,793.28, 299,733.72 and 75,134.24

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Solution

The fourth proportional to 199,793.28, 299,733.72 and 75,134.24 is: 112,717.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,793.28 : 299,733.72 = 75,134.24 : x
  2. Step 2: Convert to fraction form
    199,793.28/299,733.72 = 75,134.24/x
  3. Step 3: Cross multiply
    199,793.28x = 299,733.72 × 75,134.24
  4. Step 4: Simplify right side
    199,793.28x = 22,520,265,254.57
  5. Step 5: Solve for x
    x = 22,520,265,254.57/199,793.28
  6. Step 6: Final answer
    x = 112,717.83

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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.