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Finding the Fourth Proportional to 65,414.80, 98,021.40 and 48,696.40

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Solution

The fourth proportional to 65,414.80, 98,021.40 and 48,696.40 is: 72,969.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,414.80 : 98,021.40 = 48,696.40 : x
  2. Step 2: Convert to fraction form
    65,414.80/98,021.40 = 48,696.40/x
  3. Step 3: Cross multiply
    65,414.80x = 98,021.40 × 48,696.40
  4. Step 4: Simplify right side
    65,414.80x = 4,773,289,302.96
  5. Step 5: Solve for x
    x = 4,773,289,302.96/65,414.80
  6. Step 6: Final answer
    x = 72,969.56

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