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Finding the Fourth Proportional to 444,634.60, 667,038.30 and 129,101.80

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Solution

The fourth proportional to 444,634.60, 667,038.30 and 129,101.80 is: 193,677.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,634.60 : 667,038.30 = 129,101.80 : x
  2. Step 2: Convert to fraction form
    444,634.60/667,038.30 = 129,101.80/x
  3. Step 3: Cross multiply
    444,634.60x = 667,038.30 × 129,101.80
  4. Step 4: Simplify right side
    444,634.60x = 86,115,845,198.94
  5. Step 5: Solve for x
    x = 86,115,845,198.94/444,634.60
  6. Step 6: Final answer
    x = 193,677.79

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