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Finding the Fourth Proportional to 73,810.38, 110,764.44 and 40,553.64

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Solution

The fourth proportional to 73,810.38, 110,764.44 and 40,553.64 is: 60,857.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,810.38 : 110,764.44 = 40,553.64 : x
  2. Step 2: Convert to fraction form
    73,810.38/110,764.44 = 40,553.64/x
  3. Step 3: Cross multiply
    73,810.38x = 110,764.44 × 40,553.64
  4. Step 4: Simplify right side
    73,810.38x = 4,491,901,224.56
  5. Step 5: Solve for x
    x = 4,491,901,224.56/73,810.38
  6. Step 6: Final answer
    x = 60,857.31

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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.