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Finding the Fourth Proportional to 306,912.84, 423,551.22 and 169,097.43

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Solution

The fourth proportional to 306,912.84, 423,551.22 and 169,097.43 is: 233,360.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,912.84 : 423,551.22 = 169,097.43 : x
  2. Step 2: Convert to fraction form
    306,912.84/423,551.22 = 169,097.43/x
  3. Step 3: Cross multiply
    306,912.84x = 423,551.22 × 169,097.43
  4. Step 4: Simplify right side
    306,912.84x = 71,621,422,775.36
  5. Step 5: Solve for x
    x = 71,621,422,775.36/306,912.84
  6. Step 6: Final answer
    x = 233,360.79

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