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Finding the Fourth Proportional to 415,568.75, 623,388.49 and 131,183.21

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Solution

The fourth proportional to 415,568.75, 623,388.49 and 131,183.21 is: 196,785.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,568.75 : 623,388.49 = 131,183.21 : x
  2. Step 2: Convert to fraction form
    415,568.75/623,388.49 = 131,183.21/x
  3. Step 3: Cross multiply
    415,568.75x = 623,388.49 × 131,183.21
  4. Step 4: Simplify right side
    415,568.75x = 81,778,104,425.77
  5. Step 5: Solve for x
    x = 81,778,104,425.77/415,568.75
  6. Step 6: Final answer
    x = 196,785.98

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