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Finding the Fourth Proportional to 303,524.62, 418,842.50 and 167,536.76

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Solution

The fourth proportional to 303,524.62, 418,842.50 and 167,536.76 is: 231,188.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,524.62 : 418,842.50 = 167,536.76 : x
  2. Step 2: Convert to fraction form
    303,524.62/418,842.50 = 167,536.76/x
  3. Step 3: Cross multiply
    303,524.62x = 418,842.50 × 167,536.76
  4. Step 4: Simplify right side
    303,524.62x = 70,171,512,468.40
  5. Step 5: Solve for x
    x = 70,171,512,468.40/303,524.62
  6. Step 6: Final answer
    x = 231,188.87

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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.