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Finding the Fourth Proportional to 67,348.80, 101,023.20 and 43,729.20

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Solution

The fourth proportional to 67,348.80, 101,023.20 and 43,729.20 is: 65,593.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,348.80 : 101,023.20 = 43,729.20 : x
  2. Step 2: Convert to fraction form
    67,348.80/101,023.20 = 43,729.20/x
  3. Step 3: Cross multiply
    67,348.80x = 101,023.20 × 43,729.20
  4. Step 4: Simplify right side
    67,348.80x = 4,417,663,717.44
  5. Step 5: Solve for x
    x = 4,417,663,717.44/67,348.80
  6. Step 6: Final answer
    x = 65,593.80

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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.