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Finding the Fourth Proportional to 222,481.80, 333,818.70 and 129,067.40

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Solution

The fourth proportional to 222,481.80, 333,818.70 and 129,067.40 is: 193,656.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,481.80 : 333,818.70 = 129,067.40 : x
  2. Step 2: Convert to fraction form
    222,481.80/333,818.70 = 129,067.40/x
  3. Step 3: Cross multiply
    222,481.80x = 333,818.70 × 129,067.40
  4. Step 4: Simplify right side
    222,481.80x = 43,085,111,680.38
  5. Step 5: Solve for x
    x = 43,085,111,680.38/222,481.80
  6. Step 6: Final answer
    x = 193,656.79

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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.