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Finding the Fourth Proportional to 181,942.20, 272,913.30 and 137,327.40

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Solution

The fourth proportional to 181,942.20, 272,913.30 and 137,327.40 is: 205,991.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,942.20 : 272,913.30 = 137,327.40 : x
  2. Step 2: Convert to fraction form
    181,942.20/272,913.30 = 137,327.40/x
  3. Step 3: Cross multiply
    181,942.20x = 272,913.30 × 137,327.40
  4. Step 4: Simplify right side
    181,942.20x = 37,478,473,914.42
  5. Step 5: Solve for x
    x = 37,478,473,914.42/181,942.20
  6. Step 6: Final answer
    x = 205,991.10

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