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Finding the Fourth Proportional to 279,306.14, 419,024.82 and 92,317.64

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Solution

The fourth proportional to 279,306.14, 419,024.82 and 92,317.64 is: 138,498.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,306.14 : 419,024.82 = 92,317.64 : x
  2. Step 2: Convert to fraction form
    279,306.14/419,024.82 = 92,317.64/x
  3. Step 3: Cross multiply
    279,306.14x = 419,024.82 × 92,317.64
  4. Step 4: Simplify right side
    279,306.14x = 38,683,382,483.82
  5. Step 5: Solve for x
    x = 38,683,382,483.82/279,306.14
  6. Step 6: Final answer
    x = 138,498.15

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