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Finding the Fourth Proportional to 83,950.71, 125,895.81 and 27,780.45

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Solution

The fourth proportional to 83,950.71, 125,895.81 and 27,780.45 is: 41,660.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,950.71 : 125,895.81 = 27,780.45 : x
  2. Step 2: Convert to fraction form
    83,950.71/125,895.81 = 27,780.45/x
  3. Step 3: Cross multiply
    83,950.71x = 125,895.81 × 27,780.45
  4. Step 4: Simplify right side
    83,950.71x = 3,497,441,625.44
  5. Step 5: Solve for x
    x = 3,497,441,625.44/83,950.71
  6. Step 6: Final answer
    x = 41,660.66

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