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Finding the Fourth Proportional to 267,021.36, 400,531.03 and 109,249.76

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Solution

The fourth proportional to 267,021.36, 400,531.03 and 109,249.76 is: 163,874.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,021.36 : 400,531.03 = 109,249.76 : x
  2. Step 2: Convert to fraction form
    267,021.36/400,531.03 = 109,249.76/x
  3. Step 3: Cross multiply
    267,021.36x = 400,531.03 × 109,249.76
  4. Step 4: Simplify right side
    267,021.36x = 43,757,919,628.26
  5. Step 5: Solve for x
    x = 43,757,919,628.26/267,021.36
  6. Step 6: Final answer
    x = 163,874.23

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1.5x scale

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.