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Finding the Fourth Proportional to 222,261.46, 306,717.72 and 126,769.76

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Solution

The fourth proportional to 222,261.46, 306,717.72 and 126,769.76 is: 174,940.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,261.46 : 306,717.72 = 126,769.76 : x
  2. Step 2: Convert to fraction form
    222,261.46/306,717.72 = 126,769.76/x
  3. Step 3: Cross multiply
    222,261.46x = 306,717.72 × 126,769.76
  4. Step 4: Simplify right side
    222,261.46x = 38,882,531,752.15
  5. Step 5: Solve for x
    x = 38,882,531,752.15/222,261.46
  6. Step 6: Final answer
    x = 174,940.50

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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.