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Finding the Fourth Proportional to 201,097.20, 300,868.20 and 131,113.20

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Solution

The fourth proportional to 201,097.20, 300,868.20 and 131,113.20 is: 196,162.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,097.20 : 300,868.20 = 131,113.20 : x
  2. Step 2: Convert to fraction form
    201,097.20/300,868.20 = 131,113.20/x
  3. Step 3: Cross multiply
    201,097.20x = 300,868.20 × 131,113.20
  4. Step 4: Simplify right side
    201,097.20x = 39,447,792,480.24
  5. Step 5: Solve for x
    x = 39,447,792,480.24/201,097.20
  6. Step 6: Final answer
    x = 196,162.81

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