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Finding the Fourth Proportional to 403,920.20, 605,880.30 and 167,724.20

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Solution

The fourth proportional to 403,920.20, 605,880.30 and 167,724.20 is: 251,586.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,920.20 : 605,880.30 = 167,724.20 : x
  2. Step 2: Convert to fraction form
    403,920.20/605,880.30 = 167,724.20/x
  3. Step 3: Cross multiply
    403,920.20x = 605,880.30 × 167,724.20
  4. Step 4: Simplify right side
    403,920.20x = 101,620,788,613.26
  5. Step 5: Solve for x
    x = 101,620,788,613.26/403,920.20
  6. Step 6: Final answer
    x = 251,586.30

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