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Finding the Fourth Proportional to 222,373.20, 332,771.88 and 196,129.20

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Solution

The fourth proportional to 222,373.20, 332,771.88 and 196,129.20 is: 293,498.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,373.20 : 332,771.88 = 196,129.20 : x
  2. Step 2: Convert to fraction form
    222,373.20/332,771.88 = 196,129.20/x
  3. Step 3: Cross multiply
    222,373.20x = 332,771.88 × 196,129.20
  4. Step 4: Simplify right side
    222,373.20x = 65,266,282,606.90
  5. Step 5: Solve for x
    x = 65,266,282,606.90/222,373.20
  6. Step 6: Final answer
    x = 293,498.87

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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.