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Finding the Fourth Proportional to 231,803.40, 347,748.30 and 74,076.60

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Solution

The fourth proportional to 231,803.40, 347,748.30 and 74,076.60 is: 111,128.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,803.40 : 347,748.30 = 74,076.60 : x
  2. Step 2: Convert to fraction form
    231,803.40/347,748.30 = 74,076.60/x
  3. Step 3: Cross multiply
    231,803.40x = 347,748.30 × 74,076.60
  4. Step 4: Simplify right side
    231,803.40x = 25,760,011,719.78
  5. Step 5: Solve for x
    x = 25,760,011,719.78/231,803.40
  6. Step 6: Final answer
    x = 111,128.71

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