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Finding the Fourth Proportional to 67,371.50, 101,086.41 and 36,170.30

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Solution

The fourth proportional to 67,371.50, 101,086.41 and 36,170.30 is: 54,271.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,371.50 : 101,086.41 = 36,170.30 : x
  2. Step 2: Convert to fraction form
    67,371.50/101,086.41 = 36,170.30/x
  3. Step 3: Cross multiply
    67,371.50x = 101,086.41 × 36,170.30
  4. Step 4: Simplify right side
    67,371.50x = 3,656,325,270.19
  5. Step 5: Solve for x
    x = 3,656,325,270.19/67,371.50
  6. Step 6: Final answer
    x = 54,271.10

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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.