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Finding the Fourth Proportional to 77,982.84, 107,615.75 and 43,991.59

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Solution

The fourth proportional to 77,982.84, 107,615.75 and 43,991.59 is: 60,708.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,982.84 : 107,615.75 = 43,991.59 : x
  2. Step 2: Convert to fraction form
    77,982.84/107,615.75 = 43,991.59/x
  3. Step 3: Cross multiply
    77,982.84x = 107,615.75 × 43,991.59
  4. Step 4: Simplify right side
    77,982.84x = 4,734,187,951.54
  5. Step 5: Solve for x
    x = 4,734,187,951.54/77,982.84
  6. Step 6: Final answer
    x = 60,708.07

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