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Finding the Fourth Proportional to 81,675.05, 112,723.77 and 49,862.42

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Solution

The fourth proportional to 81,675.05, 112,723.77 and 49,862.42 is: 68,817.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,675.05 : 112,723.77 = 49,862.42 : x
  2. Step 2: Convert to fraction form
    81,675.05/112,723.77 = 49,862.42/x
  3. Step 3: Cross multiply
    81,675.05x = 112,723.77 × 49,862.42
  4. Step 4: Simplify right side
    81,675.05x = 5,620,679,963.72
  5. Step 5: Solve for x
    x = 5,620,679,963.72/81,675.05
  6. Step 6: Final answer
    x = 68,817.59

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