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Finding the Fourth Proportional to 43,796.87, 65,644.07 and 20,106.71

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Solution

The fourth proportional to 43,796.87, 65,644.07 and 20,106.71 is: 30,136.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,796.87 : 65,644.07 = 20,106.71 : x
  2. Step 2: Convert to fraction form
    43,796.87/65,644.07 = 20,106.71/x
  3. Step 3: Cross multiply
    43,796.87x = 65,644.07 × 20,106.71
  4. Step 4: Simplify right side
    43,796.87x = 1,319,886,172.89
  5. Step 5: Solve for x
    x = 1,319,886,172.89/43,796.87
  6. Step 6: Final answer
    x = 30,136.54

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