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Finding the Fourth Proportional to 267,688.84, 400,997.92 and 161,013.88

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Solution

The fourth proportional to 267,688.84, 400,997.92 and 161,013.88 is: 241,198.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,688.84 : 400,997.92 = 161,013.88 : x
  2. Step 2: Convert to fraction form
    267,688.84/400,997.92 = 161,013.88/x
  3. Step 3: Cross multiply
    267,688.84x = 400,997.92 × 161,013.88
  4. Step 4: Simplify right side
    267,688.84x = 64,566,230,971.13
  5. Step 5: Solve for x
    x = 64,566,230,971.13/267,688.84
  6. Step 6: Final answer
    x = 241,198.81

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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.