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Finding the Fourth Proportional to 223,593.82, 335,519.92 and 118,412.80

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Solution

The fourth proportional to 223,593.82, 335,519.92 and 118,412.80 is: 177,687.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,593.82 : 335,519.92 = 118,412.80 : x
  2. Step 2: Convert to fraction form
    223,593.82/335,519.92 = 118,412.80/x
  3. Step 3: Cross multiply
    223,593.82x = 335,519.92 × 118,412.80
  4. Step 4: Simplify right side
    223,593.82x = 39,729,853,182.98
  5. Step 5: Solve for x
    x = 39,729,853,182.98/223,593.82
  6. Step 6: Final answer
    x = 177,687.62

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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.