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Finding the Fourth Proportional to 135,588.60, 203,480.10 and 76,361.40

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Solution

The fourth proportional to 135,588.60, 203,480.10 and 76,361.40 is: 114,596.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,588.60 : 203,480.10 = 76,361.40 : x
  2. Step 2: Convert to fraction form
    135,588.60/203,480.10 = 76,361.40/x
  3. Step 3: Cross multiply
    135,588.60x = 203,480.10 × 76,361.40
  4. Step 4: Simplify right side
    135,588.60x = 15,538,025,308.14
  5. Step 5: Solve for x
    x = 15,538,025,308.14/135,588.60
  6. Step 6: Final answer
    x = 114,596.84

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