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Finding the Fourth Proportional to 226,082.80, 339,292.68 and 86,114.80

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Solution

The fourth proportional to 226,082.80, 339,292.68 and 86,114.80 is: 129,236.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,082.80 : 339,292.68 = 86,114.80 : x
  2. Step 2: Convert to fraction form
    226,082.80/339,292.68 = 86,114.80/x
  3. Step 3: Cross multiply
    226,082.80x = 339,292.68 × 86,114.80
  4. Step 4: Simplify right side
    226,082.80x = 29,218,121,279.66
  5. Step 5: Solve for x
    x = 29,218,121,279.66/226,082.80
  6. Step 6: Final answer
    x = 129,236.37

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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.