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Finding the Fourth Proportional to 80,181.67, 110,652.51 and 51,936.52

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Solution

The fourth proportional to 80,181.67, 110,652.51 and 51,936.52 is: 71,673.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,181.67 : 110,652.51 = 51,936.52 : x
  2. Step 2: Convert to fraction form
    80,181.67/110,652.51 = 51,936.52/x
  3. Step 3: Cross multiply
    80,181.67x = 110,652.51 × 51,936.52
  4. Step 4: Simplify right side
    80,181.67x = 5,746,906,298.67
  5. Step 5: Solve for x
    x = 5,746,906,298.67/80,181.67
  6. Step 6: Final answer
    x = 71,673.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.