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Finding the Fourth Proportional to 71,479.56, 107,143.60 and 24,049.48

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Solution

The fourth proportional to 71,479.56, 107,143.60 and 24,049.48 is: 36,048.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,479.56 : 107,143.60 = 24,049.48 : x
  2. Step 2: Convert to fraction form
    71,479.56/107,143.60 = 24,049.48/x
  3. Step 3: Cross multiply
    71,479.56x = 107,143.60 × 24,049.48
  4. Step 4: Simplify right side
    71,479.56x = 2,576,747,865.33
  5. Step 5: Solve for x
    x = 2,576,747,865.33/71,479.56
  6. Step 6: Final answer
    x = 36,048.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.