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Finding the Fourth Proportional to 140,037.81, 193,249.83 and 76,371.81

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Solution

The fourth proportional to 140,037.81, 193,249.83 and 76,371.81 is: 105,391.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,037.81 : 193,249.83 = 76,371.81 : x
  2. Step 2: Convert to fraction form
    140,037.81/193,249.83 = 76,371.81/x
  3. Step 3: Cross multiply
    140,037.81x = 193,249.83 × 76,371.81
  4. Step 4: Simplify right side
    140,037.81x = 14,758,839,299.29
  5. Step 5: Solve for x
    x = 14,758,839,299.29/140,037.81
  6. Step 6: Final answer
    x = 105,391.82

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