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Finding the Fourth Proportional to 82,089.29, 123,133.97 and 19,759.79

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Solution

The fourth proportional to 82,089.29, 123,133.97 and 19,759.79 is: 29,639.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,089.29 : 123,133.97 = 19,759.79 : x
  2. Step 2: Convert to fraction form
    82,089.29/123,133.97 = 19,759.79/x
  3. Step 3: Cross multiply
    82,089.29x = 123,133.97 × 19,759.79
  4. Step 4: Simplify right side
    82,089.29x = 2,433,100,674.60
  5. Step 5: Solve for x
    x = 2,433,100,674.60/82,089.29
  6. Step 6: Final answer
    x = 29,639.69

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