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Finding the Fourth Proportional to 71,805.25, 99,093.53 and 44,939.17

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Solution

The fourth proportional to 71,805.25, 99,093.53 and 44,939.17 is: 62,017.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,805.25 : 99,093.53 = 44,939.17 : x
  2. Step 2: Convert to fraction form
    71,805.25/99,093.53 = 44,939.17/x
  3. Step 3: Cross multiply
    71,805.25x = 99,093.53 × 44,939.17
  4. Step 4: Simplify right side
    71,805.25x = 4,453,180,765.87
  5. Step 5: Solve for x
    x = 4,453,180,765.87/71,805.25
  6. Step 6: Final answer
    x = 62,017.48

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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.