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Finding the Fourth Proportional to 89,220.93, 133,789.03 and 51,792.48

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Solution

The fourth proportional to 89,220.93, 133,789.03 and 51,792.48 is: 77,664.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,220.93 : 133,789.03 = 51,792.48 : x
  2. Step 2: Convert to fraction form
    89,220.93/133,789.03 = 51,792.48/x
  3. Step 3: Cross multiply
    89,220.93x = 133,789.03 × 51,792.48
  4. Step 4: Simplify right side
    89,220.93x = 6,929,265,660.49
  5. Step 5: Solve for x
    x = 6,929,265,660.49/89,220.93
  6. Step 6: Final answer
    x = 77,664.13

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