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Finding the Fourth Proportional to 259,793.87, 389,701.80 and 82,296.95

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Solution

The fourth proportional to 259,793.87, 389,701.80 and 82,296.95 is: 123,448.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,793.87 : 389,701.80 = 82,296.95 : x
  2. Step 2: Convert to fraction form
    259,793.87/389,701.80 = 82,296.95/x
  3. Step 3: Cross multiply
    259,793.87x = 389,701.80 × 82,296.95
  4. Step 4: Simplify right side
    259,793.87x = 32,071,267,601.00
  5. Step 5: Solve for x
    x = 32,071,267,601.00/259,793.87
  6. Step 6: Final answer
    x = 123,448.90

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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.