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Finding the Fourth Proportional to 267,922.88, 401,894.04 and 80,936

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Solution

The fourth proportional to 267,922.88, 401,894.04 and 80,936 is: 121,406.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,922.88 : 401,894.04 = 80,936 : x
  2. Step 2: Convert to fraction form
    267,922.88/401,894.04 = 80,936/x
  3. Step 3: Cross multiply
    267,922.88x = 401,894.04 × 80,936
  4. Step 4: Simplify right side
    267,922.88x = 32,527,696,021.44
  5. Step 5: Solve for x
    x = 32,527,696,021.44/267,922.88
  6. Step 6: Final answer
    x = 121,406.94

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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.