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Finding the Fourth Proportional to 79,610.72, 109,817.16 and 49,750.88

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Solution

The fourth proportional to 79,610.72, 109,817.16 and 49,750.88 is: 68,627.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,610.72 : 109,817.16 = 49,750.88 : x
  2. Step 2: Convert to fraction form
    79,610.72/109,817.16 = 49,750.88/x
  3. Step 3: Cross multiply
    79,610.72x = 109,817.16 × 49,750.88
  4. Step 4: Simplify right side
    79,610.72x = 5,463,499,613.45
  5. Step 5: Solve for x
    x = 5,463,499,613.45/79,610.72
  6. Step 6: Final answer
    x = 68,627.69

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