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Finding the Fourth Proportional to 78,899.39, 108,880.59 and 43,089.41

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Solution

The fourth proportional to 78,899.39, 108,880.59 and 43,089.41 is: 59,463.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,899.39 : 108,880.59 = 43,089.41 : x
  2. Step 2: Convert to fraction form
    78,899.39/108,880.59 = 43,089.41/x
  3. Step 3: Cross multiply
    78,899.39x = 108,880.59 × 43,089.41
  4. Step 4: Simplify right side
    78,899.39x = 4,691,600,383.55
  5. Step 5: Solve for x
    x = 4,691,600,383.55/78,899.39
  6. Step 6: Final answer
    x = 59,463.08

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