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Finding the Fourth Proportional to 73,857.43, 110,720.49 and 27,099.37

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Solution

The fourth proportional to 73,857.43, 110,720.49 and 27,099.37 is: 40,624.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,857.43 : 110,720.49 = 27,099.37 : x
  2. Step 2: Convert to fraction form
    73,857.43/110,720.49 = 27,099.37/x
  3. Step 3: Cross multiply
    73,857.43x = 110,720.49 × 27,099.37
  4. Step 4: Simplify right side
    73,857.43x = 3,000,455,525.09
  5. Step 5: Solve for x
    x = 3,000,455,525.09/73,857.43
  6. Step 6: Final answer
    x = 40,624.97

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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.