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Finding the Fourth Proportional to 78,894.32, 108,872.72 and 43,083.36

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Solution

The fourth proportional to 78,894.32, 108,872.72 and 43,083.36 is: 59,454.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,894.32 : 108,872.72 = 43,083.36 : x
  2. Step 2: Convert to fraction form
    78,894.32/108,872.72 = 43,083.36/x
  3. Step 3: Cross multiply
    78,894.32x = 108,872.72 × 43,083.36
  4. Step 4: Simplify right side
    78,894.32x = 4,690,602,589.94
  5. Step 5: Solve for x
    x = 4,690,602,589.94/78,894.32
  6. Step 6: Final answer
    x = 59,454.25

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