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Finding the Fourth Proportional to 226,305.80, 339,507.66 and 86,067.08

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Solution

The fourth proportional to 226,305.80, 339,507.66 and 86,067.08 is: 129,119.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,305.80 : 339,507.66 = 86,067.08 : x
  2. Step 2: Convert to fraction form
    226,305.80/339,507.66 = 86,067.08/x
  3. Step 3: Cross multiply
    226,305.80x = 339,507.66 × 86,067.08
  4. Step 4: Simplify right side
    226,305.80x = 29,220,432,933.83
  5. Step 5: Solve for x
    x = 29,220,432,933.83/226,305.80
  6. Step 6: Final answer
    x = 129,119.24

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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.