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Finding the Fourth Proportional to 79,591.80, 119,346.61 and 23,424.61

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Solution

The fourth proportional to 79,591.80, 119,346.61 and 23,424.61 is: 35,124.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,591.80 : 119,346.61 = 23,424.61 : x
  2. Step 2: Convert to fraction form
    79,591.80/119,346.61 = 23,424.61/x
  3. Step 3: Cross multiply
    79,591.80x = 119,346.61 × 23,424.61
  4. Step 4: Simplify right side
    79,591.80x = 2,795,647,794.07
  5. Step 5: Solve for x
    x = 2,795,647,794.07/79,591.80
  6. Step 6: Final answer
    x = 35,124.82

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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.