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Finding the Fourth Proportional to 222,144.80, 306,567.96 and 126,650.48

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Solution

The fourth proportional to 222,144.80, 306,567.96 and 126,650.48 is: 174,782.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,144.80 : 306,567.96 = 126,650.48 : x
  2. Step 2: Convert to fraction form
    222,144.80/306,567.96 = 126,650.48/x
  3. Step 3: Cross multiply
    222,144.80x = 306,567.96 × 126,650.48
  4. Step 4: Simplify right side
    222,144.80x = 38,826,979,286.62
  5. Step 5: Solve for x
    x = 38,826,979,286.62/222,144.80
  6. Step 6: Final answer
    x = 174,782.30

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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.