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Finding the Fourth Proportional to 79,809.73, 110,138.15 and 44,001.02

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Solution

The fourth proportional to 79,809.73, 110,138.15 and 44,001.02 is: 60,721.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,809.73 : 110,138.15 = 44,001.02 : x
  2. Step 2: Convert to fraction form
    79,809.73/110,138.15 = 44,001.02/x
  3. Step 3: Cross multiply
    79,809.73x = 110,138.15 × 44,001.02
  4. Step 4: Simplify right side
    79,809.73x = 4,846,190,940.91
  5. Step 5: Solve for x
    x = 4,846,190,940.91/79,809.73
  6. Step 6: Final answer
    x = 60,721.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.