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Finding the Fourth Proportional to 216,806.73, 325,023.21 and 83,780.33

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Solution

The fourth proportional to 216,806.73, 325,023.21 and 83,780.33 is: 125,598.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,806.73 : 325,023.21 = 83,780.33 : x
  2. Step 2: Convert to fraction form
    216,806.73/325,023.21 = 83,780.33/x
  3. Step 3: Cross multiply
    216,806.73x = 325,023.21 × 83,780.33
  4. Step 4: Simplify right side
    216,806.73x = 27,230,551,791.46
  5. Step 5: Solve for x
    x = 27,230,551,791.46/216,806.73
  6. Step 6: Final answer
    x = 125,598.28

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