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Finding the Fourth Proportional to 82,065.70, 113,344.08 and 55,161.50

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Solution

The fourth proportional to 82,065.70, 113,344.08 and 55,161.50 is: 76,185.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,065.70 : 113,344.08 = 55,161.50 : x
  2. Step 2: Convert to fraction form
    82,065.70/113,344.08 = 55,161.50/x
  3. Step 3: Cross multiply
    82,065.70x = 113,344.08 × 55,161.50
  4. Step 4: Simplify right side
    82,065.70x = 6,252,229,468.92
  5. Step 5: Solve for x
    x = 6,252,229,468.92/82,065.70
  6. Step 6: Final answer
    x = 76,185.66

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