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Finding the Fourth Proportional to 222,489.25, 307,033.34 and 120,512.34

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Solution

The fourth proportional to 222,489.25, 307,033.34 and 120,512.34 is: 166,306.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,489.25 : 307,033.34 = 120,512.34 : x
  2. Step 2: Convert to fraction form
    222,489.25/307,033.34 = 120,512.34/x
  3. Step 3: Cross multiply
    222,489.25x = 307,033.34 × 120,512.34
  4. Step 4: Simplify right side
    222,489.25x = 37,001,305,658.85
  5. Step 5: Solve for x
    x = 37,001,305,658.85/222,489.25
  6. Step 6: Final answer
    x = 166,306.04

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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.