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Finding the Fourth Proportional to 222,388.88, 306,896.85 and 126,926.33

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Solution

The fourth proportional to 222,388.88, 306,896.85 and 126,926.33 is: 175,158.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,388.88 : 306,896.85 = 126,926.33 : x
  2. Step 2: Convert to fraction form
    222,388.88/306,896.85 = 126,926.33/x
  3. Step 3: Cross multiply
    222,388.88x = 306,896.85 × 126,926.33
  4. Step 4: Simplify right side
    222,388.88x = 38,953,289,324.58
  5. Step 5: Solve for x
    x = 38,953,289,324.58/222,388.88
  6. Step 6: Final answer
    x = 175,158.44

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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.