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Finding the Fourth Proportional to 76,140.58, 105,076.82 and 41,687.73

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Solution

The fourth proportional to 76,140.58, 105,076.82 and 41,687.73 is: 57,530.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,140.58 : 105,076.82 = 41,687.73 : x
  2. Step 2: Convert to fraction form
    76,140.58/105,076.82 = 41,687.73/x
  3. Step 3: Cross multiply
    76,140.58x = 105,076.82 × 41,687.73
  4. Step 4: Simplify right side
    76,140.58x = 4,380,414,101.42
  5. Step 5: Solve for x
    x = 4,380,414,101.42/76,140.58
  6. Step 6: Final answer
    x = 57,530.61

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