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Finding the Fourth Proportional to 223,553.44, 308,996.88 and 196,492.96

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Solution

The fourth proportional to 223,553.44, 308,996.88 and 196,492.96 is: 271,593.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,553.44 : 308,996.88 = 196,492.96 : x
  2. Step 2: Convert to fraction form
    223,553.44/308,996.88 = 196,492.96/x
  3. Step 3: Cross multiply
    223,553.44x = 308,996.88 × 196,492.96
  4. Step 4: Simplify right side
    223,553.44x = 60,715,711,581.96
  5. Step 5: Solve for x
    x = 60,715,711,581.96/223,553.44
  6. Step 6: Final answer
    x = 271,593.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.