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Finding the Fourth Proportional to 194,331.88, 290,839.44 and 119,499.42

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Solution

The fourth proportional to 194,331.88, 290,839.44 and 119,499.42 is: 178,844.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,331.88 : 290,839.44 = 119,499.42 : x
  2. Step 2: Convert to fraction form
    194,331.88/290,839.44 = 119,499.42/x
  3. Step 3: Cross multiply
    194,331.88x = 290,839.44 × 119,499.42
  4. Step 4: Simplify right side
    194,331.88x = 34,755,144,393.12
  5. Step 5: Solve for x
    x = 34,755,144,393.12/194,331.88
  6. Step 6: Final answer
    x = 178,844.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.