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Finding the Fourth Proportional to 79,943.99, 119,927.84 and 26,618.56

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Solution

The fourth proportional to 79,943.99, 119,927.84 and 26,618.56 is: 39,931.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,943.99 : 119,927.84 = 26,618.56 : x
  2. Step 2: Convert to fraction form
    79,943.99/119,927.84 = 26,618.56/x
  3. Step 3: Cross multiply
    79,943.99x = 119,927.84 × 26,618.56
  4. Step 4: Simplify right side
    79,943.99x = 3,192,305,971.80
  5. Step 5: Solve for x
    x = 3,192,305,971.80/79,943.99
  6. Step 6: Final answer
    x = 39,931.78

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