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Finding the Fourth Proportional to 148,940.61, 205,539.50 and 80,957.54

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Solution

The fourth proportional to 148,940.61, 205,539.50 and 80,957.54 is: 111,722.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,940.61 : 205,539.50 = 80,957.54 : x
  2. Step 2: Convert to fraction form
    148,940.61/205,539.50 = 80,957.54/x
  3. Step 3: Cross multiply
    148,940.61x = 205,539.50 × 80,957.54
  4. Step 4: Simplify right side
    148,940.61x = 16,639,972,292.83
  5. Step 5: Solve for x
    x = 16,639,972,292.83/148,940.61
  6. Step 6: Final answer
    x = 111,722.20

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