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Finding the Fourth Proportional to 55,212.24, 76,215.78 and 41,787.24

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Solution

The fourth proportional to 55,212.24, 76,215.78 and 41,787.24 is: 57,683.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,212.24 : 76,215.78 = 41,787.24 : x
  2. Step 2: Convert to fraction form
    55,212.24/76,215.78 = 41,787.24/x
  3. Step 3: Cross multiply
    55,212.24x = 76,215.78 × 41,787.24
  4. Step 4: Simplify right side
    55,212.24x = 3,184,847,090.65
  5. Step 5: Solve for x
    x = 3,184,847,090.65/55,212.24
  6. Step 6: Final answer
    x = 57,683.71

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