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Finding the Fourth Proportional to 303,336.14, 418,606.11 and 167,375.11

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Solution

The fourth proportional to 303,336.14, 418,606.11 and 167,375.11 is: 230,978.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,336.14 : 418,606.11 = 167,375.11 : x
  2. Step 2: Convert to fraction form
    303,336.14/418,606.11 = 167,375.11/x
  3. Step 3: Cross multiply
    303,336.14x = 418,606.11 × 167,375.11
  4. Step 4: Simplify right side
    303,336.14x = 70,064,241,614.89
  5. Step 5: Solve for x
    x = 70,064,241,614.89/303,336.14
  6. Step 6: Final answer
    x = 230,978.88

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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.