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Finding the Fourth Proportional to 220,945.68, 304,902 and 120,343.68

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Solution

The fourth proportional to 220,945.68, 304,902 and 120,343.68 is: 166,072.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,945.68 : 304,902 = 120,343.68 : x
  2. Step 2: Convert to fraction form
    220,945.68/304,902 = 120,343.68/x
  3. Step 3: Cross multiply
    220,945.68x = 304,902 × 120,343.68
  4. Step 4: Simplify right side
    220,945.68x = 36,693,028,719.36
  5. Step 5: Solve for x
    x = 36,693,028,719.36/220,945.68
  6. Step 6: Final answer
    x = 166,072.62

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