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Finding the Fourth Proportional to 92,377.25, 127,480.68 and 49,935.78

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Solution

The fourth proportional to 92,377.25, 127,480.68 and 49,935.78 is: 68,911.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,377.25 : 127,480.68 = 49,935.78 : x
  2. Step 2: Convert to fraction form
    92,377.25/127,480.68 = 49,935.78/x
  3. Step 3: Cross multiply
    92,377.25x = 127,480.68 × 49,935.78
  4. Step 4: Simplify right side
    92,377.25x = 6,365,847,190.73
  5. Step 5: Solve for x
    x = 6,365,847,190.73/92,377.25
  6. Step 6: Final answer
    x = 68,911.42

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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.