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Finding the Fourth Proportional to 57,232.70, 85,849.05 and 15,112.70

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Solution

The fourth proportional to 57,232.70, 85,849.05 and 15,112.70 is: 22,669.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,232.70 : 85,849.05 = 15,112.70 : x
  2. Step 2: Convert to fraction form
    57,232.70/85,849.05 = 15,112.70/x
  3. Step 3: Cross multiply
    57,232.70x = 85,849.05 × 15,112.70
  4. Step 4: Simplify right side
    57,232.70x = 1,297,410,937.94
  5. Step 5: Solve for x
    x = 1,297,410,937.94/57,232.70
  6. Step 6: Final answer
    x = 22,669.05

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