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Finding the Fourth Proportional to 115,456.32, 159,371.82 and 67,749.48

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Solution

The fourth proportional to 115,456.32, 159,371.82 and 67,749.48 is: 93,518.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,456.32 : 159,371.82 = 67,749.48 : x
  2. Step 2: Convert to fraction form
    115,456.32/159,371.82 = 67,749.48/x
  3. Step 3: Cross multiply
    115,456.32x = 159,371.82 × 67,749.48
  4. Step 4: Simplify right side
    115,456.32x = 10,797,357,931.65
  5. Step 5: Solve for x
    x = 10,797,357,931.65/115,456.32
  6. Step 6: Final answer
    x = 93,518.99

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