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Finding the Fourth Proportional to 133,413.20, 200,051.40 and 39,906.80

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Solution

The fourth proportional to 133,413.20, 200,051.40 and 39,906.80 is: 59,839.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,413.20 : 200,051.40 = 39,906.80 : x
  2. Step 2: Convert to fraction form
    133,413.20/200,051.40 = 39,906.80/x
  3. Step 3: Cross multiply
    133,413.20x = 200,051.40 × 39,906.80
  4. Step 4: Simplify right side
    133,413.20x = 7,983,411,209.52
  5. Step 5: Solve for x
    x = 7,983,411,209.52/133,413.20
  6. Step 6: Final answer
    x = 59,839.74

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