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Finding the Fourth Proportional to 67,194.54, 92,728.48 and 36,979.86

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Solution

The fourth proportional to 67,194.54, 92,728.48 and 36,979.86 is: 51,032.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,194.54 : 92,728.48 = 36,979.86 : x
  2. Step 2: Convert to fraction form
    67,194.54/92,728.48 = 36,979.86/x
  3. Step 3: Cross multiply
    67,194.54x = 92,728.48 × 36,979.86
  4. Step 4: Simplify right side
    67,194.54x = 3,429,086,208.41
  5. Step 5: Solve for x
    x = 3,429,086,208.41/67,194.54
  6. Step 6: Final answer
    x = 51,032.21

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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.