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Finding the Fourth Proportional to 111,222.36, 153,490.68 and 60,921.36

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Solution

The fourth proportional to 111,222.36, 153,490.68 and 60,921.36 is: 84,073.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,222.36 : 153,490.68 = 60,921.36 : x
  2. Step 2: Convert to fraction form
    111,222.36/153,490.68 = 60,921.36/x
  3. Step 3: Cross multiply
    111,222.36x = 153,490.68 × 60,921.36
  4. Step 4: Simplify right side
    111,222.36x = 9,350,860,972.92
  5. Step 5: Solve for x
    x = 9,350,860,972.92/111,222.36
  6. Step 6: Final answer
    x = 84,073.57

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