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Finding the Fourth Proportional to 73,873.88, 110,810.82 and 18,469.88

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Solution

The fourth proportional to 73,873.88, 110,810.82 and 18,469.88 is: 27,704.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,873.88 : 110,810.82 = 18,469.88 : x
  2. Step 2: Convert to fraction form
    73,873.88/110,810.82 = 18,469.88/x
  3. Step 3: Cross multiply
    73,873.88x = 110,810.82 × 18,469.88
  4. Step 4: Simplify right side
    73,873.88x = 2,046,661,901.70
  5. Step 5: Solve for x
    x = 2,046,661,901.70/73,873.88
  6. Step 6: Final answer
    x = 27,704.81

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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.