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Finding the Fourth Proportional to 75,101.78, 103,640.45 and 41,567.78

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Solution

The fourth proportional to 75,101.78, 103,640.45 and 41,567.78 is: 57,363.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,101.78 : 103,640.45 = 41,567.78 : x
  2. Step 2: Convert to fraction form
    75,101.78/103,640.45 = 41,567.78/x
  3. Step 3: Cross multiply
    75,101.78x = 103,640.45 × 41,567.78
  4. Step 4: Simplify right side
    75,101.78x = 4,308,103,475.96
  5. Step 5: Solve for x
    x = 4,308,103,475.96/75,101.78
  6. Step 6: Final answer
    x = 57,363.53

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