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Finding the Fourth Proportional to 193,592.10, 290,424.87 and 67,227.42

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Solution

The fourth proportional to 193,592.10, 290,424.87 and 67,227.42 is: 100,853.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,592.10 : 290,424.87 = 67,227.42 : x
  2. Step 2: Convert to fraction form
    193,592.10/290,424.87 = 67,227.42/x
  3. Step 3: Cross multiply
    193,592.10x = 290,424.87 × 67,227.42
  4. Step 4: Simplify right side
    193,592.10x = 19,524,514,713.94
  5. Step 5: Solve for x
    x = 19,524,514,713.94/193,592.10
  6. Step 6: Final answer
    x = 100,853.88

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1.5x scale

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.