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Finding the Fourth Proportional to 189,313.82, 261,258 and 103,274.28

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Solution

The fourth proportional to 189,313.82, 261,258 and 103,274.28 is: 142,521.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,313.82 : 261,258 = 103,274.28 : x
  2. Step 2: Convert to fraction form
    189,313.82/261,258 = 103,274.28/x
  3. Step 3: Cross multiply
    189,313.82x = 261,258 × 103,274.28
  4. Step 4: Simplify right side
    189,313.82x = 26,981,231,844.24
  5. Step 5: Solve for x
    x = 26,981,231,844.24/189,313.82
  6. Step 6: Final answer
    x = 142,521.19

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