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Finding the Fourth Proportional to 223,452.30, 335,178.45 and 143,736.15

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Solution

The fourth proportional to 223,452.30, 335,178.45 and 143,736.15 is: 215,604.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,452.30 : 335,178.45 = 143,736.15 : x
  2. Step 2: Convert to fraction form
    223,452.30/335,178.45 = 143,736.15/x
  3. Step 3: Cross multiply
    223,452.30x = 335,178.45 × 143,736.15
  4. Step 4: Simplify right side
    223,452.30x = 48,177,259,965.97
  5. Step 5: Solve for x
    x = 48,177,259,965.97/223,452.30
  6. Step 6: Final answer
    x = 215,604.23

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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.