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Finding the Fourth Proportional to 312,049.76, 430,628.22 and 168,809.48

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Solution

The fourth proportional to 312,049.76, 430,628.22 and 168,809.48 is: 232,956.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,049.76 : 430,628.22 = 168,809.48 : x
  2. Step 2: Convert to fraction form
    312,049.76/430,628.22 = 168,809.48/x
  3. Step 3: Cross multiply
    312,049.76x = 430,628.22 × 168,809.48
  4. Step 4: Simplify right side
    312,049.76x = 72,694,125,891.53
  5. Step 5: Solve for x
    x = 72,694,125,891.53/312,049.76
  6. Step 6: Final answer
    x = 232,956.84

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