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Finding the Fourth Proportional to 223,414.34, 335,016.22 and 81,159.30

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Solution

The fourth proportional to 223,414.34, 335,016.22 and 81,159.30 is: 121,700.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,414.34 : 335,016.22 = 81,159.30 : x
  2. Step 2: Convert to fraction form
    223,414.34/335,016.22 = 81,159.30/x
  3. Step 3: Cross multiply
    223,414.34x = 335,016.22 × 81,159.30
  4. Step 4: Simplify right side
    223,414.34x = 27,189,682,924.08
  5. Step 5: Solve for x
    x = 27,189,682,924.08/223,414.34
  6. Step 6: Final answer
    x = 121,700.71

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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.