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Finding the Fourth Proportional to 222,444.56, 306,912.36 and 126,916.88

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Solution

The fourth proportional to 222,444.56, 306,912.36 and 126,916.88 is: 175,110.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,444.56 : 306,912.36 = 126,916.88 : x
  2. Step 2: Convert to fraction form
    222,444.56/306,912.36 = 126,916.88/x
  3. Step 3: Cross multiply
    222,444.56x = 306,912.36 × 126,916.88
  4. Step 4: Simplify right side
    222,444.56x = 38,952,359,164.64
  5. Step 5: Solve for x
    x = 38,952,359,164.64/222,444.56
  6. Step 6: Final answer
    x = 175,110.41

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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.