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Finding the Fourth Proportional to 66,772.79, 100,174.18 and 22,398.40

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Solution

The fourth proportional to 66,772.79, 100,174.18 and 22,398.40 is: 33,602.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,772.79 : 100,174.18 = 22,398.40 : x
  2. Step 2: Convert to fraction form
    66,772.79/100,174.18 = 22,398.40/x
  3. Step 3: Cross multiply
    66,772.79x = 100,174.18 × 22,398.40
  4. Step 4: Simplify right side
    66,772.79x = 2,243,741,353.31
  5. Step 5: Solve for x
    x = 2,243,741,353.31/66,772.79
  6. Step 6: Final answer
    x = 33,602.63

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