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Finding the Fourth Proportional to 367,781.40, 551,672.10 and 131,131.80

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Solution

The fourth proportional to 367,781.40, 551,672.10 and 131,131.80 is: 196,697.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,781.40 : 551,672.10 = 131,131.80 : x
  2. Step 2: Convert to fraction form
    367,781.40/551,672.10 = 131,131.80/x
  3. Step 3: Cross multiply
    367,781.40x = 551,672.10 × 131,131.80
  4. Step 4: Simplify right side
    367,781.40x = 72,341,755,482.78
  5. Step 5: Solve for x
    x = 72,341,755,482.78/367,781.40
  6. Step 6: Final answer
    x = 196,697.70

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