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Finding the Fourth Proportional to 267,568.21, 401,351.49 and 67,888.21

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Solution

The fourth proportional to 267,568.21, 401,351.49 and 67,888.21 is: 101,832.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,568.21 : 401,351.49 = 67,888.21 : x
  2. Step 2: Convert to fraction form
    267,568.21/401,351.49 = 67,888.21/x
  3. Step 3: Cross multiply
    267,568.21x = 401,351.49 × 67,888.21
  4. Step 4: Simplify right side
    267,568.21x = 27,247,034,236.93
  5. Step 5: Solve for x
    x = 27,247,034,236.93/267,568.21
  6. Step 6: Final answer
    x = 101,832.11

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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.