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Finding the Fourth Proportional to 431,533.88, 647,196.88 and 132,017.08

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Solution

The fourth proportional to 431,533.88, 647,196.88 and 132,017.08 is: 197,993.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,533.88 : 647,196.88 = 132,017.08 : x
  2. Step 2: Convert to fraction form
    431,533.88/647,196.88 = 132,017.08/x
  3. Step 3: Cross multiply
    431,533.88x = 647,196.88 × 132,017.08
  4. Step 4: Simplify right side
    431,533.88x = 85,441,042,282.71
  5. Step 5: Solve for x
    x = 85,441,042,282.71/431,533.88
  6. Step 6: Final answer
    x = 197,993.82

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