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Finding the Fourth Proportional to 267,435.33, 401,153.63 and 67,755.75

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Solution

The fourth proportional to 267,435.33, 401,153.63 and 67,755.75 is: 101,633.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,435.33 : 401,153.63 = 67,755.75 : x
  2. Step 2: Convert to fraction form
    267,435.33/401,153.63 = 67,755.75/x
  3. Step 3: Cross multiply
    267,435.33x = 401,153.63 × 67,755.75
  4. Step 4: Simplify right side
    267,435.33x = 27,180,464,727.09
  5. Step 5: Solve for x
    x = 27,180,464,727.09/267,435.33
  6. Step 6: Final answer
    x = 101,633.78

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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.