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Finding the Fourth Proportional to 111,906.67, 154,433.18 and 60,920.86

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Solution

The fourth proportional to 111,906.67, 154,433.18 and 60,920.86 is: 84,071.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,906.67 : 154,433.18 = 60,920.86 : x
  2. Step 2: Convert to fraction form
    111,906.67/154,433.18 = 60,920.86/x
  3. Step 3: Cross multiply
    111,906.67x = 154,433.18 × 60,920.86
  4. Step 4: Simplify right side
    111,906.67x = 9,408,202,138.13
  5. Step 5: Solve for x
    x = 9,408,202,138.13/111,906.67
  6. Step 6: Final answer
    x = 84,071.86

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