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Finding the Fourth Proportional to 223,883.60, 335,436.60 and 188,891.60

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Solution

The fourth proportional to 223,883.60, 335,436.60 and 188,891.60 is: 283,009.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,883.60 : 335,436.60 = 188,891.60 : x
  2. Step 2: Convert to fraction form
    223,883.60/335,436.60 = 188,891.60/x
  3. Step 3: Cross multiply
    223,883.60x = 335,436.60 × 188,891.60
  4. Step 4: Simplify right side
    223,883.60x = 63,361,156,072.56
  5. Step 5: Solve for x
    x = 63,361,156,072.56/223,883.60
  6. Step 6: Final answer
    x = 283,009.37

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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.