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Finding the Fourth Proportional to 222,408.70, 333,613.05 and 163,359.70

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Solution

The fourth proportional to 222,408.70, 333,613.05 and 163,359.70 is: 245,039.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,408.70 : 333,613.05 = 163,359.70 : x
  2. Step 2: Convert to fraction form
    222,408.70/333,613.05 = 163,359.70/x
  3. Step 3: Cross multiply
    222,408.70x = 333,613.05 × 163,359.70
  4. Step 4: Simplify right side
    222,408.70x = 54,498,927,764.09
  5. Step 5: Solve for x
    x = 54,498,927,764.09/222,408.70
  6. Step 6: Final answer
    x = 245,039.55

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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.