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Finding the Fourth Proportional to 204,738.40, 307,107.60 and 104,865.40

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Solution

The fourth proportional to 204,738.40, 307,107.60 and 104,865.40 is: 157,298.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,738.40 : 307,107.60 = 104,865.40 : x
  2. Step 2: Convert to fraction form
    204,738.40/307,107.60 = 104,865.40/x
  3. Step 3: Cross multiply
    204,738.40x = 307,107.60 × 104,865.40
  4. Step 4: Simplify right side
    204,738.40x = 32,204,961,317.04
  5. Step 5: Solve for x
    x = 32,204,961,317.04/204,738.40
  6. Step 6: Final answer
    x = 157,298.10

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