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Finding the Fourth Proportional to 85,200.72, 127,857.96 and 29,796.72

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Solution

The fourth proportional to 85,200.72, 127,857.96 and 29,796.72 is: 44,714.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,200.72 : 127,857.96 = 29,796.72 : x
  2. Step 2: Convert to fraction form
    85,200.72/127,857.96 = 29,796.72/x
  3. Step 3: Cross multiply
    85,200.72x = 127,857.96 × 29,796.72
  4. Step 4: Simplify right side
    85,200.72x = 3,809,747,833.89
  5. Step 5: Solve for x
    x = 3,809,747,833.89/85,200.72
  6. Step 6: Final answer
    x = 44,714.97

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