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Finding the Fourth Proportional to 273,290.96, 409,902.52 and 73,626.96

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Solution

The fourth proportional to 273,290.96, 409,902.52 and 73,626.96 is: 110,431.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,290.96 : 409,902.52 = 73,626.96 : x
  2. Step 2: Convert to fraction form
    273,290.96/409,902.52 = 73,626.96/x
  3. Step 3: Cross multiply
    273,290.96x = 409,902.52 × 73,626.96
  4. Step 4: Simplify right side
    273,290.96x = 30,179,876,443.94
  5. Step 5: Solve for x
    x = 30,179,876,443.94/273,290.96
  6. Step 6: Final answer
    x = 110,431.30

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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.