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Finding the Fourth Proportional to 67,591.52, 101,392.54 and 20,203

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Solution

The fourth proportional to 67,591.52, 101,392.54 and 20,203 is: 30,306.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,591.52 : 101,392.54 = 20,203 : x
  2. Step 2: Convert to fraction form
    67,591.52/101,392.54 = 20,203/x
  3. Step 3: Cross multiply
    67,591.52x = 101,392.54 × 20,203
  4. Step 4: Simplify right side
    67,591.52x = 2,048,433,485.62
  5. Step 5: Solve for x
    x = 2,048,433,485.62/67,591.52
  6. Step 6: Final answer
    x = 30,306.07

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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.