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Finding the Fourth Proportional to 67,610.40, 101,221.20 and 41,366.40

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Solution

The fourth proportional to 67,610.40, 101,221.20 and 41,366.40 is: 61,930.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,610.40 : 101,221.20 = 41,366.40 : x
  2. Step 2: Convert to fraction form
    67,610.40/101,221.20 = 41,366.40/x
  3. Step 3: Cross multiply
    67,610.40x = 101,221.20 × 41,366.40
  4. Step 4: Simplify right side
    67,610.40x = 4,187,156,647.68
  5. Step 5: Solve for x
    x = 4,187,156,647.68/67,610.40
  6. Step 6: Final answer
    x = 61,930.66

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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.