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Finding the Fourth Proportional to 51,781.91, 77,672.86 and 16,241.94

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Solution

The fourth proportional to 51,781.91, 77,672.86 and 16,241.94 is: 24,362.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,781.91 : 77,672.86 = 16,241.94 : x
  2. Step 2: Convert to fraction form
    51,781.91/77,672.86 = 16,241.94/x
  3. Step 3: Cross multiply
    51,781.91x = 77,672.86 × 16,241.94
  4. Step 4: Simplify right side
    51,781.91x = 1,261,557,891.14
  5. Step 5: Solve for x
    x = 1,261,557,891.14/51,781.91
  6. Step 6: Final answer
    x = 24,362.91

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