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Finding the Fourth Proportional to 55,162.44, 82,743.84 and 15,181.97

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Solution

The fourth proportional to 55,162.44, 82,743.84 and 15,181.97 is: 22,773.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,162.44 : 82,743.84 = 15,181.97 : x
  2. Step 2: Convert to fraction form
    55,162.44/82,743.84 = 15,181.97/x
  3. Step 3: Cross multiply
    55,162.44x = 82,743.84 × 15,181.97
  4. Step 4: Simplify right side
    55,162.44x = 1,256,214,082.85
  5. Step 5: Solve for x
    x = 1,256,214,082.85/55,162.44
  6. Step 6: Final answer
    x = 22,773.00

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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.