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Finding the Fourth Proportional to 79,940.70, 119,853.45 and 44,891.10

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Solution

The fourth proportional to 79,940.70, 119,853.45 and 44,891.10 is: 67,304.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,940.70 : 119,853.45 = 44,891.10 : x
  2. Step 2: Convert to fraction form
    79,940.70/119,853.45 = 44,891.10/x
  3. Step 3: Cross multiply
    79,940.70x = 119,853.45 × 44,891.10
  4. Step 4: Simplify right side
    79,940.70x = 5,380,353,209.30
  5. Step 5: Solve for x
    x = 5,380,353,209.30/79,940.70
  6. Step 6: Final answer
    x = 67,304.30

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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.