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Finding the Fourth Proportional to 204,773.42, 307,169.35 and 78,380.88

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Solution

The fourth proportional to 204,773.42, 307,169.35 and 78,380.88 is: 117,574.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,773.42 : 307,169.35 = 78,380.88 : x
  2. Step 2: Convert to fraction form
    204,773.42/307,169.35 = 78,380.88/x
  3. Step 3: Cross multiply
    204,773.42x = 307,169.35 × 78,380.88
  4. Step 4: Simplify right side
    204,773.42x = 24,076,205,211.89
  5. Step 5: Solve for x
    x = 24,076,205,211.89/204,773.42
  6. Step 6: Final answer
    x = 117,574.85

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