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Finding the Fourth Proportional to 135,982.53, 203,801.13 and 76,851.45

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Solution

The fourth proportional to 135,982.53, 203,801.13 and 76,851.45 is: 115,179.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,982.53 : 203,801.13 = 76,851.45 : x
  2. Step 2: Convert to fraction form
    135,982.53/203,801.13 = 76,851.45/x
  3. Step 3: Cross multiply
    135,982.53x = 203,801.13 × 76,851.45
  4. Step 4: Simplify right side
    135,982.53x = 15,662,412,352.14
  5. Step 5: Solve for x
    x = 15,662,412,352.14/135,982.53
  6. Step 6: Final answer
    x = 115,179.59

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