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Finding the Fourth Proportional to 222,396.90, 333,770.67 and 82,195.62

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Solution

The fourth proportional to 222,396.90, 333,770.67 and 82,195.62 is: 123,358.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,396.90 : 333,770.67 = 82,195.62 : x
  2. Step 2: Convert to fraction form
    222,396.90/333,770.67 = 82,195.62/x
  3. Step 3: Cross multiply
    222,396.90x = 333,770.67 × 82,195.62
  4. Step 4: Simplify right side
    222,396.90x = 27,434,487,158.47
  5. Step 5: Solve for x
    x = 27,434,487,158.47/222,396.90
  6. Step 6: Final answer
    x = 123,358.23

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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.