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Finding the Fourth Proportional to 273,789.55, 409,685.18 and 161,523.55

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Solution

The fourth proportional to 273,789.55, 409,685.18 and 161,523.55 is: 241,695.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,789.55 : 409,685.18 = 161,523.55 : x
  2. Step 2: Convert to fraction form
    273,789.55/409,685.18 = 161,523.55/x
  3. Step 3: Cross multiply
    273,789.55x = 409,685.18 × 161,523.55
  4. Step 4: Simplify right side
    273,789.55x = 66,173,802,607.56
  5. Step 5: Solve for x
    x = 66,173,802,607.56/273,789.55
  6. Step 6: Final answer
    x = 241,695.87

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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.