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Finding the Fourth Proportional to 84,039.67, 115,974.12 and 46,313.92

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Solution

The fourth proportional to 84,039.67, 115,974.12 and 46,313.92 is: 63,912.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,039.67 : 115,974.12 = 46,313.92 : x
  2. Step 2: Convert to fraction form
    84,039.67/115,974.12 = 46,313.92/x
  3. Step 3: Cross multiply
    84,039.67x = 115,974.12 × 46,313.92
  4. Step 4: Simplify right side
    84,039.67x = 5,371,216,115.75
  5. Step 5: Solve for x
    x = 5,371,216,115.75/84,039.67
  6. Step 6: Final answer
    x = 63,912.87

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