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Finding the Fourth Proportional to 157,958.54, 217,982.45 and 89,975.48

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Solution

The fourth proportional to 157,958.54, 217,982.45 and 89,975.48 is: 124,165.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,958.54 : 217,982.45 = 89,975.48 : x
  2. Step 2: Convert to fraction form
    157,958.54/217,982.45 = 89,975.48/x
  3. Step 3: Cross multiply
    157,958.54x = 217,982.45 × 89,975.48
  4. Step 4: Simplify right side
    157,958.54x = 19,613,074,030.54
  5. Step 5: Solve for x
    x = 19,613,074,030.54/157,958.54
  6. Step 6: Final answer
    x = 124,165.97

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