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Finding the Fourth Proportional to 267,001.96, 400,541.82 and 80,028.04

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Solution

The fourth proportional to 267,001.96, 400,541.82 and 80,028.04 is: 120,053.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,001.96 : 400,541.82 = 80,028.04 : x
  2. Step 2: Convert to fraction form
    267,001.96/400,541.82 = 80,028.04/x
  3. Step 3: Cross multiply
    267,001.96x = 400,541.82 × 80,028.04
  4. Step 4: Simplify right side
    267,001.96x = 32,054,576,792.63
  5. Step 5: Solve for x
    x = 32,054,576,792.63/267,001.96
  6. Step 6: Final answer
    x = 120,053.71

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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.