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Finding the Fourth Proportional to 222,155.82, 306,591.48 and 126,664.92

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Solution

The fourth proportional to 222,155.82, 306,591.48 and 126,664.92 is: 174,806.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,155.82 : 306,591.48 = 126,664.92 : x
  2. Step 2: Convert to fraction form
    222,155.82/306,591.48 = 126,664.92/x
  3. Step 3: Cross multiply
    222,155.82x = 306,591.48 × 126,664.92
  4. Step 4: Simplify right side
    222,155.82x = 38,834,385,286.88
  5. Step 5: Solve for x
    x = 38,834,385,286.88/222,155.82
  6. Step 6: Final answer
    x = 174,806.97

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1.5x scale

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.