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Finding the Fourth Proportional to 87,381.54, 120,586.20 and 49,663.08

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Solution

The fourth proportional to 87,381.54, 120,586.20 and 49,663.08 is: 68,534.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,381.54 : 120,586.20 = 49,663.08 : x
  2. Step 2: Convert to fraction form
    87,381.54/120,586.20 = 49,663.08/x
  3. Step 3: Cross multiply
    87,381.54x = 120,586.20 × 49,663.08
  4. Step 4: Simplify right side
    87,381.54x = 5,988,682,097.50
  5. Step 5: Solve for x
    x = 5,988,682,097.50/87,381.54
  6. Step 6: Final answer
    x = 68,534.87

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