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Finding the Fourth Proportional to 223,806.80, 335,893.80 and 222,057.20

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Solution

The fourth proportional to 223,806.80, 335,893.80 and 222,057.20 is: 333,267.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,806.80 : 335,893.80 = 222,057.20 : x
  2. Step 2: Convert to fraction form
    223,806.80/335,893.80 = 222,057.20/x
  3. Step 3: Cross multiply
    223,806.80x = 335,893.80 × 222,057.20
  4. Step 4: Simplify right side
    223,806.80x = 74,587,636,725.36
  5. Step 5: Solve for x
    x = 74,587,636,725.36/223,806.80
  6. Step 6: Final answer
    x = 333,267.96

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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.