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Finding the Fourth Proportional to 115,958.76, 173,935.62 and 31,718.91

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Solution

The fourth proportional to 115,958.76, 173,935.62 and 31,718.91 is: 47,577.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,958.76 : 173,935.62 = 31,718.91 : x
  2. Step 2: Convert to fraction form
    115,958.76/173,935.62 = 31,718.91/x
  3. Step 3: Cross multiply
    115,958.76x = 173,935.62 × 31,718.91
  4. Step 4: Simplify right side
    115,958.76x = 5,517,048,276.57
  5. Step 5: Solve for x
    x = 5,517,048,276.57/115,958.76
  6. Step 6: Final answer
    x = 47,577.68

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