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Finding the Fourth Proportional to 148,835.84, 205,389.99 and 80,851.28

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Solution

The fourth proportional to 148,835.84, 205,389.99 and 80,851.28 is: 111,572.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,835.84 : 205,389.99 = 80,851.28 : x
  2. Step 2: Convert to fraction form
    148,835.84/205,389.99 = 80,851.28/x
  3. Step 3: Cross multiply
    148,835.84x = 205,389.99 × 80,851.28
  4. Step 4: Simplify right side
    148,835.84x = 16,606,042,563.74
  5. Step 5: Solve for x
    x = 16,606,042,563.74/148,835.84
  6. Step 6: Final answer
    x = 111,572.88

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