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Finding the Fourth Proportional to 79,947.91, 119,900.97 and 23,772.91

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Solution

The fourth proportional to 79,947.91, 119,900.97 and 23,772.91 is: 35,653.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,947.91 : 119,900.97 = 23,772.91 : x
  2. Step 2: Convert to fraction form
    79,947.91/119,900.97 = 23,772.91/x
  3. Step 3: Cross multiply
    79,947.91x = 119,900.97 × 23,772.91
  4. Step 4: Simplify right side
    79,947.91x = 2,850,394,968.72
  5. Step 5: Solve for x
    x = 2,850,394,968.72/79,947.91
  6. Step 6: Final answer
    x = 35,653.15

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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.