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Finding the Fourth Proportional to 82,273.92, 123,410.87 and 19,944.42

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Solution

The fourth proportional to 82,273.92, 123,410.87 and 19,944.42 is: 29,916.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,273.92 : 123,410.87 = 19,944.42 : x
  2. Step 2: Convert to fraction form
    82,273.92/123,410.87 = 19,944.42/x
  3. Step 3: Cross multiply
    82,273.92x = 123,410.87 × 19,944.42
  4. Step 4: Simplify right side
    82,273.92x = 2,461,358,223.85
  5. Step 5: Solve for x
    x = 2,461,358,223.85/82,273.92
  6. Step 6: Final answer
    x = 29,916.63

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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.