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Finding the Fourth Proportional to 73,462.46, 110,194.90 and 20,869.97

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Solution

The fourth proportional to 73,462.46, 110,194.90 and 20,869.97 is: 31,305.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,462.46 : 110,194.90 = 20,869.97 : x
  2. Step 2: Convert to fraction form
    73,462.46/110,194.90 = 20,869.97/x
  3. Step 3: Cross multiply
    73,462.46x = 110,194.90 × 20,869.97
  4. Step 4: Simplify right side
    73,462.46x = 2,299,763,654.00
  5. Step 5: Solve for x
    x = 2,299,763,654.00/73,462.46
  6. Step 6: Final answer
    x = 31,305.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.