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Finding the Fourth Proportional to 204,079.70, 306,119.55 and 181,529.30

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Solution

The fourth proportional to 204,079.70, 306,119.55 and 181,529.30 is: 272,293.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,079.70 : 306,119.55 = 181,529.30 : x
  2. Step 2: Convert to fraction form
    204,079.70/306,119.55 = 181,529.30/x
  3. Step 3: Cross multiply
    204,079.70x = 306,119.55 × 181,529.30
  4. Step 4: Simplify right side
    204,079.70x = 55,569,667,627.82
  5. Step 5: Solve for x
    x = 55,569,667,627.82/204,079.70
  6. Step 6: Final answer
    x = 272,293.95

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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.