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Finding the Fourth Proportional to 71,392.68, 98,524.44 and 43,092.84

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Solution

The fourth proportional to 71,392.68, 98,524.44 and 43,092.84 is: 59,469.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,392.68 : 98,524.44 = 43,092.84 : x
  2. Step 2: Convert to fraction form
    71,392.68/98,524.44 = 43,092.84/x
  3. Step 3: Cross multiply
    71,392.68x = 98,524.44 × 43,092.84
  4. Step 4: Simplify right side
    71,392.68x = 4,245,697,929.01
  5. Step 5: Solve for x
    x = 4,245,697,929.01/71,392.68
  6. Step 6: Final answer
    x = 59,469.65

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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.