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Finding the Fourth Proportional to 79,190.48, 109,282.90 and 43,381.78

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Solution

The fourth proportional to 79,190.48, 109,282.90 and 43,381.78 is: 59,866.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,190.48 : 109,282.90 = 43,381.78 : x
  2. Step 2: Convert to fraction form
    79,190.48/109,282.90 = 43,381.78/x
  3. Step 3: Cross multiply
    79,190.48x = 109,282.90 × 43,381.78
  4. Step 4: Simplify right side
    79,190.48x = 4,740,886,725.56
  5. Step 5: Solve for x
    x = 4,740,886,725.56/79,190.48
  6. Step 6: Final answer
    x = 59,866.88

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