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Finding the Fourth Proportional to 71,892.54, 99,183.42 and 48,034.80

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Solution

The fourth proportional to 71,892.54, 99,183.42 and 48,034.80 is: 66,269.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,892.54 : 99,183.42 = 48,034.80 : x
  2. Step 2: Convert to fraction form
    71,892.54/99,183.42 = 48,034.80/x
  3. Step 3: Cross multiply
    71,892.54x = 99,183.42 × 48,034.80
  4. Step 4: Simplify right side
    71,892.54x = 4,764,255,743.02
  5. Step 5: Solve for x
    x = 4,764,255,743.02/71,892.54
  6. Step 6: Final answer
    x = 66,269.13

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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.