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Finding the Fourth Proportional to 100,951.09, 139,310.64 and 55,633.27

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Solution

The fourth proportional to 100,951.09, 139,310.64 and 55,633.27 is: 76,772.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,951.09 : 139,310.64 = 55,633.27 : x
  2. Step 2: Convert to fraction form
    100,951.09/139,310.64 = 55,633.27/x
  3. Step 3: Cross multiply
    100,951.09x = 139,310.64 × 55,633.27
  4. Step 4: Simplify right side
    100,951.09x = 7,750,306,448.99
  5. Step 5: Solve for x
    x = 7,750,306,448.99/100,951.09
  6. Step 6: Final answer
    x = 76,772.89

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