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Finding the Fourth Proportional to 267,496.43, 400,993.47 and 89,879.23

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Solution

The fourth proportional to 267,496.43, 400,993.47 and 89,879.23 is: 134,734.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,496.43 : 400,993.47 = 89,879.23 : x
  2. Step 2: Convert to fraction form
    267,496.43/400,993.47 = 89,879.23/x
  3. Step 3: Cross multiply
    267,496.43x = 400,993.47 × 89,879.23
  4. Step 4: Simplify right side
    267,496.43x = 36,040,984,318.63
  5. Step 5: Solve for x
    x = 36,040,984,318.63/267,496.43
  6. Step 6: Final answer
    x = 134,734.45

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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.