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Finding the Fourth Proportional to 66,449.20, 99,673.80 and 63,824.80

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Solution

The fourth proportional to 66,449.20, 99,673.80 and 63,824.80 is: 95,737.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,449.20 : 99,673.80 = 63,824.80 : x
  2. Step 2: Convert to fraction form
    66,449.20/99,673.80 = 63,824.80/x
  3. Step 3: Cross multiply
    66,449.20x = 99,673.80 × 63,824.80
  4. Step 4: Simplify right side
    66,449.20x = 6,361,660,350.24
  5. Step 5: Solve for x
    x = 6,361,660,350.24/66,449.20
  6. Step 6: Final answer
    x = 95,737.20

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