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Finding the Fourth Proportional to 148,836.60, 205,390.22 and 80,850.60

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Solution

The fourth proportional to 148,836.60, 205,390.22 and 80,850.60 is: 111,571.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,836.60 : 205,390.22 = 80,850.60 : x
  2. Step 2: Convert to fraction form
    148,836.60/205,390.22 = 80,850.60/x
  3. Step 3: Cross multiply
    148,836.60x = 205,390.22 × 80,850.60
  4. Step 4: Simplify right side
    148,836.60x = 16,605,922,521.13
  5. Step 5: Solve for x
    x = 16,605,922,521.13/148,836.60
  6. Step 6: Final answer
    x = 111,571.50

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