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Finding the Fourth Proportional to 124,976.76, 172,467.94 and 68,388.14

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Solution

The fourth proportional to 124,976.76, 172,467.94 and 68,388.14 is: 94,375.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,976.76 : 172,467.94 = 68,388.14 : x
  2. Step 2: Convert to fraction form
    124,976.76/172,467.94 = 68,388.14/x
  3. Step 3: Cross multiply
    124,976.76x = 172,467.94 × 68,388.14
  4. Step 4: Simplify right side
    124,976.76x = 11,794,761,626.23
  5. Step 5: Solve for x
    x = 11,794,761,626.23/124,976.76
  6. Step 6: Final answer
    x = 94,375.64

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