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Finding the Fourth Proportional to 283,891.62, 425,771.76 and 84,163.85

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Solution

The fourth proportional to 283,891.62, 425,771.76 and 84,163.85 is: 126,226.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,891.62 : 425,771.76 = 84,163.85 : x
  2. Step 2: Convert to fraction form
    283,891.62/425,771.76 = 84,163.85/x
  3. Step 3: Cross multiply
    283,891.62x = 425,771.76 × 84,163.85
  4. Step 4: Simplify right side
    283,891.62x = 35,834,588,414.02
  5. Step 5: Solve for x
    x = 35,834,588,414.02/283,891.62
  6. Step 6: Final answer
    x = 126,226.30

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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.