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Finding the Fourth Proportional to 222,395.40, 333,768.42 and 82,194.12

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Solution

The fourth proportional to 222,395.40, 333,768.42 and 82,194.12 is: 123,355.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,395.40 : 333,768.42 = 82,194.12 : x
  2. Step 2: Convert to fraction form
    222,395.40/333,768.42 = 82,194.12/x
  3. Step 3: Cross multiply
    222,395.40x = 333,768.42 × 82,194.12
  4. Step 4: Simplify right side
    222,395.40x = 27,433,801,565.69
  5. Step 5: Solve for x
    x = 27,433,801,565.69/222,395.40
  6. Step 6: Final answer
    x = 123,355.98

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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.