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Finding the Fourth Proportional to 222,396.48, 306,901.20 and 126,901.44

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Solution

The fourth proportional to 222,396.48, 306,901.20 and 126,901.44 is: 175,120.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,396.48 : 306,901.20 = 126,901.44 : x
  2. Step 2: Convert to fraction form
    222,396.48/306,901.20 = 126,901.44/x
  3. Step 3: Cross multiply
    222,396.48x = 306,901.20 × 126,901.44
  4. Step 4: Simplify right side
    222,396.48x = 38,946,204,217.73
  5. Step 5: Solve for x
    x = 38,946,204,217.73/222,396.48
  6. Step 6: Final answer
    x = 175,120.60

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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.