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Finding the Fourth Proportional to 55,122.99, 82,696.23 and 31,441.83

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Solution

The fourth proportional to 55,122.99, 82,696.23 and 31,441.83 is: 47,169.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,122.99 : 82,696.23 = 31,441.83 : x
  2. Step 2: Convert to fraction form
    55,122.99/82,696.23 = 31,441.83/x
  3. Step 3: Cross multiply
    55,122.99x = 82,696.23 × 31,441.83
  4. Step 4: Simplify right side
    55,122.99x = 2,600,120,805.30
  5. Step 5: Solve for x
    x = 2,600,120,805.30/55,122.99
  6. Step 6: Final answer
    x = 47,169.44

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