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Finding the Fourth Proportional to 147,840.40, 204,015.40 and 80,772.40

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Solution

The fourth proportional to 147,840.40, 204,015.40 and 80,772.40 is: 111,463.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,840.40 : 204,015.40 = 80,772.40 : x
  2. Step 2: Convert to fraction form
    147,840.40/204,015.40 = 80,772.40/x
  3. Step 3: Cross multiply
    147,840.40x = 204,015.40 × 80,772.40
  4. Step 4: Simplify right side
    147,840.40x = 16,478,813,494.96
  5. Step 5: Solve for x
    x = 16,478,813,494.96/147,840.40
  6. Step 6: Final answer
    x = 111,463.53

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