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Finding the Fourth Proportional to 78,910.45, 108,898.78 and 43,101.06

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Solution

The fourth proportional to 78,910.45, 108,898.78 and 43,101.06 is: 59,480.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,910.45 : 108,898.78 = 43,101.06 : x
  2. Step 2: Convert to fraction form
    78,910.45/108,898.78 = 43,101.06/x
  3. Step 3: Cross multiply
    78,910.45x = 108,898.78 × 43,101.06
  4. Step 4: Simplify right side
    78,910.45x = 4,693,652,850.71
  5. Step 5: Solve for x
    x = 4,693,652,850.71/78,910.45
  6. Step 6: Final answer
    x = 59,480.75

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