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Finding the Fourth Proportional to 71,894.58, 99,212.95 and 41,685.27

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Solution

The fourth proportional to 71,894.58, 99,212.95 and 41,685.27 is: 57,524.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,894.58 : 99,212.95 = 41,685.27 : x
  2. Step 2: Convert to fraction form
    71,894.58/99,212.95 = 41,685.27/x
  3. Step 3: Cross multiply
    71,894.58x = 99,212.95 × 41,685.27
  4. Step 4: Simplify right side
    71,894.58x = 4,135,718,608.25
  5. Step 5: Solve for x
    x = 4,135,718,608.25/71,894.58
  6. Step 6: Final answer
    x = 57,524.76

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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.