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Finding the Fourth Proportional to 222,363.20, 333,429.60 and 82,049.60

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Solution

The fourth proportional to 222,363.20, 333,429.60 and 82,049.60 is: 123,031.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,363.20 : 333,429.60 = 82,049.60 : x
  2. Step 2: Convert to fraction form
    222,363.20/333,429.60 = 82,049.60/x
  3. Step 3: Cross multiply
    222,363.20x = 333,429.60 × 82,049.60
  4. Step 4: Simplify right side
    222,363.20x = 27,357,765,308.16
  5. Step 5: Solve for x
    x = 27,357,765,308.16/222,363.20
  6. Step 6: Final answer
    x = 123,031.89

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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.