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Finding the Fourth Proportional to 96,546.80, 144,820.20 and 81,966.80

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Solution

The fourth proportional to 96,546.80, 144,820.20 and 81,966.80 is: 122,950.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,546.80 : 144,820.20 = 81,966.80 : x
  2. Step 2: Convert to fraction form
    96,546.80/144,820.20 = 81,966.80/x
  3. Step 3: Cross multiply
    96,546.80x = 144,820.20 × 81,966.80
  4. Step 4: Simplify right side
    96,546.80x = 11,870,448,369.36
  5. Step 5: Solve for x
    x = 11,870,448,369.36/96,546.80
  6. Step 6: Final answer
    x = 122,950.20

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