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Finding the Fourth Proportional to 83,189.89, 124,791.76 and 27,028.76

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Solution

The fourth proportional to 83,189.89, 124,791.76 and 27,028.76 is: 40,545.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,189.89 : 124,791.76 = 27,028.76 : x
  2. Step 2: Convert to fraction form
    83,189.89/124,791.76 = 27,028.76/x
  3. Step 3: Cross multiply
    83,189.89x = 124,791.76 × 27,028.76
  4. Step 4: Simplify right side
    83,189.89x = 3,372,966,109.05
  5. Step 5: Solve for x
    x = 3,372,966,109.05/83,189.89
  6. Step 6: Final answer
    x = 40,545.38

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