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Finding the Fourth Proportional to 82,279.09, 123,418.67 and 19,949.59

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Solution

The fourth proportional to 82,279.09, 123,418.67 and 19,949.59 is: 29,924.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,279.09 : 123,418.67 = 19,949.59 : x
  2. Step 2: Convert to fraction form
    82,279.09/123,418.67 = 19,949.59/x
  3. Step 3: Cross multiply
    82,279.09x = 123,418.67 × 19,949.59
  4. Step 4: Simplify right side
    82,279.09x = 2,462,151,864.85
  5. Step 5: Solve for x
    x = 2,462,151,864.85/82,279.09
  6. Step 6: Final answer
    x = 29,924.39

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