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Finding the Fourth Proportional to 67,344.40, 101,016.60 and 43,997.20

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Solution

The fourth proportional to 67,344.40, 101,016.60 and 43,997.20 is: 65,995.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,344.40 : 101,016.60 = 43,997.20 : x
  2. Step 2: Convert to fraction form
    67,344.40/101,016.60 = 43,997.20/x
  3. Step 3: Cross multiply
    67,344.40x = 101,016.60 × 43,997.20
  4. Step 4: Simplify right side
    67,344.40x = 4,444,447,553.52
  5. Step 5: Solve for x
    x = 4,444,447,553.52/67,344.40
  6. Step 6: Final answer
    x = 65,995.80

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1.5x scale

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.