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Finding the Fourth Proportional to 71,374.25, 98,504.55 and 49,850.52

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Solution

The fourth proportional to 71,374.25, 98,504.55 and 49,850.52 is: 68,799.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,374.25 : 98,504.55 = 49,850.52 : x
  2. Step 2: Convert to fraction form
    71,374.25/98,504.55 = 49,850.52/x
  3. Step 3: Cross multiply
    71,374.25x = 98,504.55 × 49,850.52
  4. Step 4: Simplify right side
    71,374.25x = 4,910,503,039.87
  5. Step 5: Solve for x
    x = 4,910,503,039.87/71,374.25
  6. Step 6: Final answer
    x = 68,799.37

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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.