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Finding the Fourth Proportional to 54,193.57, 81,185.14 and 39,936.15

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Solution

The fourth proportional to 54,193.57, 81,185.14 and 39,936.15 is: 59,826.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,193.57 : 81,185.14 = 39,936.15 : x
  2. Step 2: Convert to fraction form
    54,193.57/81,185.14 = 39,936.15/x
  3. Step 3: Cross multiply
    54,193.57x = 81,185.14 × 39,936.15
  4. Step 4: Simplify right side
    54,193.57x = 3,242,221,928.81
  5. Step 5: Solve for x
    x = 3,242,221,928.81/54,193.57
  6. Step 6: Final answer
    x = 59,826.69

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