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Finding the Fourth Proportional to 111,803.20, 167,413.20 and 106,554.40

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Solution

The fourth proportional to 111,803.20, 167,413.20 and 106,554.40 is: 159,553.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,803.20 : 167,413.20 = 106,554.40 : x
  2. Step 2: Convert to fraction form
    111,803.20/167,413.20 = 106,554.40/x
  3. Step 3: Cross multiply
    111,803.20x = 167,413.20 × 106,554.40
  4. Step 4: Simplify right side
    111,803.20x = 17,838,613,078.08
  5. Step 5: Solve for x
    x = 17,838,613,078.08/111,803.20
  6. Step 6: Final answer
    x = 159,553.69

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