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Finding the Fourth Proportional to 134,628.81, 185,789.07 and 74,199.57

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Solution

The fourth proportional to 134,628.81, 185,789.07 and 74,199.57 is: 102,396.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,628.81 : 185,789.07 = 74,199.57 : x
  2. Step 2: Convert to fraction form
    134,628.81/185,789.07 = 74,199.57/x
  3. Step 3: Cross multiply
    134,628.81x = 185,789.07 × 74,199.57
  4. Step 4: Simplify right side
    134,628.81x = 13,785,469,104.70
  5. Step 5: Solve for x
    x = 13,785,469,104.70/134,628.81
  6. Step 6: Final answer
    x = 102,396.13

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