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Finding the Fourth Proportional to 87,087.82, 120,185.95 and 48,859.48

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Solution

The fourth proportional to 87,087.82, 120,185.95 and 48,859.48 is: 67,428.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,087.82 : 120,185.95 = 48,859.48 : x
  2. Step 2: Convert to fraction form
    87,087.82/120,185.95 = 48,859.48/x
  3. Step 3: Cross multiply
    87,087.82x = 120,185.95 × 48,859.48
  4. Step 4: Simplify right side
    87,087.82x = 5,872,223,020.31
  5. Step 5: Solve for x
    x = 5,872,223,020.31/87,087.82
  6. Step 6: Final answer
    x = 67,428.75

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