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Finding the Fourth Proportional to 203,899.10, 305,848.65 and 133,040.30

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Solution

The fourth proportional to 203,899.10, 305,848.65 and 133,040.30 is: 199,560.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,899.10 : 305,848.65 = 133,040.30 : x
  2. Step 2: Convert to fraction form
    203,899.10/305,848.65 = 133,040.30/x
  3. Step 3: Cross multiply
    203,899.10x = 305,848.65 × 133,040.30
  4. Step 4: Simplify right side
    203,899.10x = 40,690,196,150.60
  5. Step 5: Solve for x
    x = 40,690,196,150.60/203,899.10
  6. Step 6: Final answer
    x = 199,560.45

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