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Finding the Fourth Proportional to 73,873.63, 110,810.44 and 18,469.63

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Solution

The fourth proportional to 73,873.63, 110,810.44 and 18,469.63 is: 27,704.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,873.63 : 110,810.44 = 18,469.63 : x
  2. Step 2: Convert to fraction form
    73,873.63/110,810.44 = 18,469.63/x
  3. Step 3: Cross multiply
    73,873.63x = 110,810.44 × 18,469.63
  4. Step 4: Simplify right side
    73,873.63x = 2,046,627,272.89
  5. Step 5: Solve for x
    x = 2,046,627,272.89/73,873.63
  6. Step 6: Final answer
    x = 27,704.44

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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.