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Finding the Fourth Proportional to 113,617.96, 170,502.78 and 39,745.96

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Solution

The fourth proportional to 113,617.96, 170,502.78 and 39,745.96 is: 59,645.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,617.96 : 170,502.78 = 39,745.96 : x
  2. Step 2: Convert to fraction form
    113,617.96/170,502.78 = 39,745.96/x
  3. Step 3: Cross multiply
    113,617.96x = 170,502.78 × 39,745.96
  4. Step 4: Simplify right side
    113,617.96x = 6,776,796,673.77
  5. Step 5: Solve for x
    x = 6,776,796,673.77/113,617.96
  6. Step 6: Final answer
    x = 59,645.47

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