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Finding the Fourth Proportional to 209,930.68, 314,957.31 and 67,772.62

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Solution

The fourth proportional to 209,930.68, 314,957.31 and 67,772.62 is: 101,678.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,930.68 : 314,957.31 = 67,772.62 : x
  2. Step 2: Convert to fraction form
    209,930.68/314,957.31 = 67,772.62/x
  3. Step 3: Cross multiply
    209,930.68x = 314,957.31 × 67,772.62
  4. Step 4: Simplify right side
    209,930.68x = 21,345,482,086.85
  5. Step 5: Solve for x
    x = 21,345,482,086.85/209,930.68
  6. Step 6: Final answer
    x = 101,678.72

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