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Finding the Fourth Proportional to 67,294.28, 92,766.48 and 43,092.56

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Solution

The fourth proportional to 67,294.28, 92,766.48 and 43,092.56 is: 59,403.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,294.28 : 92,766.48 = 43,092.56 : x
  2. Step 2: Convert to fraction form
    67,294.28/92,766.48 = 43,092.56/x
  3. Step 3: Cross multiply
    67,294.28x = 92,766.48 × 43,092.56
  4. Step 4: Simplify right side
    67,294.28x = 3,997,545,105.39
  5. Step 5: Solve for x
    x = 3,997,545,105.39/67,294.28
  6. Step 6: Final answer
    x = 59,403.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.