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Finding the Fourth Proportional to 80,001.80, 119,906.70 and 33,230.60

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Solution

The fourth proportional to 80,001.80, 119,906.70 and 33,230.60 is: 49,806.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,001.80 : 119,906.70 = 33,230.60 : x
  2. Step 2: Convert to fraction form
    80,001.80/119,906.70 = 33,230.60/x
  3. Step 3: Cross multiply
    80,001.80x = 119,906.70 × 33,230.60
  4. Step 4: Simplify right side
    80,001.80x = 3,984,571,585.02
  5. Step 5: Solve for x
    x = 3,984,571,585.02/80,001.80
  6. Step 6: Final answer
    x = 49,806.02

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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.