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Finding the Fourth Proportional to 281,776.92, 388,198.62 and 196,759.32

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Solution

The fourth proportional to 281,776.92, 388,198.62 and 196,759.32 is: 271,071.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,776.92 : 388,198.62 = 196,759.32 : x
  2. Step 2: Convert to fraction form
    281,776.92/388,198.62 = 196,759.32/x
  3. Step 3: Cross multiply
    281,776.92x = 388,198.62 × 196,759.32
  4. Step 4: Simplify right side
    281,776.92x = 76,381,696,496.14
  5. Step 5: Solve for x
    x = 76,381,696,496.14/281,776.92
  6. Step 6: Final answer
    x = 271,071.51

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