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Finding the Fourth Proportional to 304,126.44, 419,676.44 and 168,149.72

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Solution

The fourth proportional to 304,126.44, 419,676.44 and 168,149.72 is: 232,036.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,126.44 : 419,676.44 = 168,149.72 : x
  2. Step 2: Convert to fraction form
    304,126.44/419,676.44 = 168,149.72/x
  3. Step 3: Cross multiply
    304,126.44x = 419,676.44 × 168,149.72
  4. Step 4: Simplify right side
    304,126.44x = 70,568,472,937.47
  5. Step 5: Solve for x
    x = 70,568,472,937.47/304,126.44
  6. Step 6: Final answer
    x = 232,036.63

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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.