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Finding the Fourth Proportional to 303,011.43, 418,180.68 and 167,057.79

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Solution

The fourth proportional to 303,011.43, 418,180.68 and 167,057.79 is: 230,553.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,011.43 : 418,180.68 = 167,057.79 : x
  2. Step 2: Convert to fraction form
    303,011.43/418,180.68 = 167,057.79/x
  3. Step 3: Cross multiply
    303,011.43x = 418,180.68 × 167,057.79
  4. Step 4: Simplify right side
    303,011.43x = 69,860,340,221.50
  5. Step 5: Solve for x
    x = 69,860,340,221.50/303,011.43
  6. Step 6: Final answer
    x = 230,553.48

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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.