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Finding the Fourth Proportional to 111,163.14, 166,752.17 and 39,107.43

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Solution

The fourth proportional to 111,163.14, 166,752.17 and 39,107.43 is: 58,663.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,163.14 : 166,752.17 = 39,107.43 : x
  2. Step 2: Convert to fraction form
    111,163.14/166,752.17 = 39,107.43/x
  3. Step 3: Cross multiply
    111,163.14x = 166,752.17 × 39,107.43
  4. Step 4: Simplify right side
    111,163.14x = 6,521,248,620.09
  5. Step 5: Solve for x
    x = 6,521,248,620.09/111,163.14
  6. Step 6: Final answer
    x = 58,663.77

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