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Finding the Fourth Proportional to 150,940.54, 226,311.45 and 84,478.78

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Solution

The fourth proportional to 150,940.54, 226,311.45 and 84,478.78 is: 126,662.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,940.54 : 226,311.45 = 84,478.78 : x
  2. Step 2: Convert to fraction form
    150,940.54/226,311.45 = 84,478.78/x
  3. Step 3: Cross multiply
    150,940.54x = 226,311.45 × 84,478.78
  4. Step 4: Simplify right side
    150,940.54x = 19,118,515,196.03
  5. Step 5: Solve for x
    x = 19,118,515,196.03/150,940.54
  6. Step 6: Final answer
    x = 126,662.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.