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Finding the Fourth Proportional to 79,249.72, 109,375.82 and 49,044.78

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Solution

The fourth proportional to 79,249.72, 109,375.82 and 49,044.78 is: 67,688.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,249.72 : 109,375.82 = 49,044.78 : x
  2. Step 2: Convert to fraction form
    79,249.72/109,375.82 = 49,044.78/x
  3. Step 3: Cross multiply
    79,249.72x = 109,375.82 × 49,044.78
  4. Step 4: Simplify right side
    79,249.72x = 5,364,313,151.83
  5. Step 5: Solve for x
    x = 5,364,313,151.83/79,249.72
  6. Step 6: Final answer
    x = 67,688.74

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