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Finding the Fourth Proportional to 78,910.10, 108,895.93 and 43,100.19

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Solution

The fourth proportional to 78,910.10, 108,895.93 and 43,100.19 is: 59,478.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,910.10 : 108,895.93 = 43,100.19 : x
  2. Step 2: Convert to fraction form
    78,910.10/108,895.93 = 43,100.19/x
  3. Step 3: Cross multiply
    78,910.10x = 108,895.93 × 43,100.19
  4. Step 4: Simplify right side
    78,910.10x = 4,693,435,165.48
  5. Step 5: Solve for x
    x = 4,693,435,165.48/78,910.10
  6. Step 6: Final answer
    x = 59,478.26

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