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Finding the Fourth Proportional to 168,891.70, 253,337.55 and 44,245.30

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Solution

The fourth proportional to 168,891.70, 253,337.55 and 44,245.30 is: 66,367.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,891.70 : 253,337.55 = 44,245.30 : x
  2. Step 2: Convert to fraction form
    168,891.70/253,337.55 = 44,245.30/x
  3. Step 3: Cross multiply
    168,891.70x = 253,337.55 × 44,245.30
  4. Step 4: Simplify right side
    168,891.70x = 11,208,995,901.02
  5. Step 5: Solve for x
    x = 11,208,995,901.02/168,891.70
  6. Step 6: Final answer
    x = 66,367.95

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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.