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Finding the Fourth Proportional to 181,652.27, 272,478.42 and 55,299.78

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Solution

The fourth proportional to 181,652.27, 272,478.42 and 55,299.78 is: 82,949.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,652.27 : 272,478.42 = 55,299.78 : x
  2. Step 2: Convert to fraction form
    181,652.27/272,478.42 = 55,299.78/x
  3. Step 3: Cross multiply
    181,652.27x = 272,478.42 × 55,299.78
  4. Step 4: Simplify right side
    181,652.27x = 15,067,996,680.75
  5. Step 5: Solve for x
    x = 15,067,996,680.75/181,652.27
  6. Step 6: Final answer
    x = 82,949.68

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1.5x scale

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.