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Finding the Fourth Proportional to 194,356.99, 290,877.15 and 119,524.60

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Solution

The fourth proportional to 194,356.99, 290,877.15 and 119,524.60 is: 178,882.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,356.99 : 290,877.15 = 119,524.60 : x
  2. Step 2: Convert to fraction form
    194,356.99/290,877.15 = 119,524.60/x
  3. Step 3: Cross multiply
    194,356.99x = 290,877.15 × 119,524.60
  4. Step 4: Simplify right side
    194,356.99x = 34,766,973,548.50
  5. Step 5: Solve for x
    x = 34,766,973,548.50/194,356.99
  6. Step 6: Final answer
    x = 178,882.04

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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.