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Finding the Fourth Proportional to 142,603.45, 196,795.41 and 82,163.88

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Solution

The fourth proportional to 142,603.45, 196,795.41 and 82,163.88 is: 113,387.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,603.45 : 196,795.41 = 82,163.88 : x
  2. Step 2: Convert to fraction form
    142,603.45/196,795.41 = 82,163.88/x
  3. Step 3: Cross multiply
    142,603.45x = 196,795.41 × 82,163.88
  4. Step 4: Simplify right side
    142,603.45x = 16,169,474,451.79
  5. Step 5: Solve for x
    x = 16,169,474,451.79/142,603.45
  6. Step 6: Final answer
    x = 113,387.68

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