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Finding the Fourth Proportional to 66,563.91, 99,835.07 and 22,191.03

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Solution

The fourth proportional to 66,563.91, 99,835.07 and 22,191.03 is: 33,282.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,563.91 : 99,835.07 = 22,191.03 : x
  2. Step 2: Convert to fraction form
    66,563.91/99,835.07 = 22,191.03/x
  3. Step 3: Cross multiply
    66,563.91x = 99,835.07 × 22,191.03
  4. Step 4: Simplify right side
    66,563.91x = 2,215,442,922.47
  5. Step 5: Solve for x
    x = 2,215,442,922.47/66,563.91
  6. Step 6: Final answer
    x = 33,282.94

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