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Finding the Fourth Proportional to 71,676.04, 98,915.48 and 39,413.12

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Solution

The fourth proportional to 71,676.04, 98,915.48 and 39,413.12 is: 54,391.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,676.04 : 98,915.48 = 39,413.12 : x
  2. Step 2: Convert to fraction form
    71,676.04/98,915.48 = 39,413.12/x
  3. Step 3: Cross multiply
    71,676.04x = 98,915.48 × 39,413.12
  4. Step 4: Simplify right side
    71,676.04x = 3,898,566,991.45
  5. Step 5: Solve for x
    x = 3,898,566,991.45/71,676.04
  6. Step 6: Final answer
    x = 54,391.49

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