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Finding the Fourth Proportional to 320,346.78, 442,087.80 and 177,116.10

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Solution

The fourth proportional to 320,346.78, 442,087.80 and 177,116.10 is: 244,425.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,346.78 : 442,087.80 = 177,116.10 : x
  2. Step 2: Convert to fraction form
    320,346.78/442,087.80 = 177,116.10/x
  3. Step 3: Cross multiply
    320,346.78x = 442,087.80 × 177,116.10
  4. Step 4: Simplify right side
    320,346.78x = 78,300,866,993.58
  5. Step 5: Solve for x
    x = 78,300,866,993.58/320,346.78
  6. Step 6: Final answer
    x = 244,425.33

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