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Finding the Fourth Proportional to 56,231.63, 84,305.78 and 34,039.77

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Solution

The fourth proportional to 56,231.63, 84,305.78 and 34,039.77 is: 51,034.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,231.63 : 84,305.78 = 34,039.77 : x
  2. Step 2: Convert to fraction form
    56,231.63/84,305.78 = 34,039.77/x
  3. Step 3: Cross multiply
    56,231.63x = 84,305.78 × 34,039.77
  4. Step 4: Simplify right side
    56,231.63x = 2,869,749,360.87
  5. Step 5: Solve for x
    x = 2,869,749,360.87/56,231.63
  6. Step 6: Final answer
    x = 51,034.43

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