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Finding the Fourth Proportional to 222,292.11, 306,734.52 and 126,793.11

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Solution

The fourth proportional to 222,292.11, 306,734.52 and 126,793.11 is: 174,958.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,292.11 : 306,734.52 = 126,793.11 : x
  2. Step 2: Convert to fraction form
    222,292.11/306,734.52 = 126,793.11/x
  3. Step 3: Cross multiply
    222,292.11x = 306,734.52 × 126,793.11
  4. Step 4: Simplify right side
    222,292.11x = 38,891,823,735.16
  5. Step 5: Solve for x
    x = 38,891,823,735.16/222,292.11
  6. Step 6: Final answer
    x = 174,958.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.