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Finding the Fourth Proportional to 281,396.84, 422,100.66 and 103,812.44

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Solution

The fourth proportional to 281,396.84, 422,100.66 and 103,812.44 is: 155,720.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,396.84 : 422,100.66 = 103,812.44 : x
  2. Step 2: Convert to fraction form
    281,396.84/422,100.66 = 103,812.44/x
  3. Step 3: Cross multiply
    281,396.84x = 422,100.66 × 103,812.44
  4. Step 4: Simplify right side
    281,396.84x = 43,819,299,440.21
  5. Step 5: Solve for x
    x = 43,819,299,440.21/281,396.84
  6. Step 6: Final answer
    x = 155,720.65

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