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Finding the Fourth Proportional to 85,414.44, 117,872.02 and 47,688.68

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Solution

The fourth proportional to 85,414.44, 117,872.02 and 47,688.68 is: 65,810.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,414.44 : 117,872.02 = 47,688.68 : x
  2. Step 2: Convert to fraction form
    85,414.44/117,872.02 = 47,688.68/x
  3. Step 3: Cross multiply
    85,414.44x = 117,872.02 × 47,688.68
  4. Step 4: Simplify right side
    85,414.44x = 5,621,161,042.73
  5. Step 5: Solve for x
    x = 5,621,161,042.73/85,414.44
  6. Step 6: Final answer
    x = 65,810.43

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