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Finding the Fourth Proportional to 66,166.02, 99,227.43 and 21,782.34

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Solution

The fourth proportional to 66,166.02, 99,227.43 and 21,782.34 is: 32,666.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,166.02 : 99,227.43 = 21,782.34 : x
  2. Step 2: Convert to fraction form
    66,166.02/99,227.43 = 21,782.34/x
  3. Step 3: Cross multiply
    66,166.02x = 99,227.43 × 21,782.34
  4. Step 4: Simplify right side
    66,166.02x = 2,161,405,617.59
  5. Step 5: Solve for x
    x = 2,161,405,617.59/66,166.02
  6. Step 6: Final answer
    x = 32,666.40

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