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Finding the Fourth Proportional to 111,704.40, 167,564.70 and 67,235.40

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Solution

The fourth proportional to 111,704.40, 167,564.70 and 67,235.40 is: 100,857.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,704.40 : 167,564.70 = 67,235.40 : x
  2. Step 2: Convert to fraction form
    111,704.40/167,564.70 = 67,235.40/x
  3. Step 3: Cross multiply
    111,704.40x = 167,564.70 × 67,235.40
  4. Step 4: Simplify right side
    111,704.40x = 11,266,279,630.38
  5. Step 5: Solve for x
    x = 11,266,279,630.38/111,704.40
  6. Step 6: Final answer
    x = 100,857.98

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