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Finding the Fourth Proportional to 226,191.62, 339,299.10 and 57,713.42

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Solution

The fourth proportional to 226,191.62, 339,299.10 and 57,713.42 is: 86,573.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,191.62 : 339,299.10 = 57,713.42 : x
  2. Step 2: Convert to fraction form
    226,191.62/339,299.10 = 57,713.42/x
  3. Step 3: Cross multiply
    226,191.62x = 339,299.10 × 57,713.42
  4. Step 4: Simplify right side
    226,191.62x = 19,582,109,767.43
  5. Step 5: Solve for x
    x = 19,582,109,767.43/226,191.62
  6. Step 6: Final answer
    x = 86,573.10

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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.