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Finding the Fourth Proportional to 144,604.96, 199,552.86 and 80,942.80

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Solution

The fourth proportional to 144,604.96, 199,552.86 and 80,942.80 is: 111,699.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,604.96 : 199,552.86 = 80,942.80 : x
  2. Step 2: Convert to fraction form
    144,604.96/199,552.86 = 80,942.80/x
  3. Step 3: Cross multiply
    144,604.96x = 199,552.86 × 80,942.80
  4. Step 4: Simplify right side
    144,604.96x = 16,152,367,236.41
  5. Step 5: Solve for x
    x = 16,152,367,236.41/144,604.96
  6. Step 6: Final answer
    x = 111,699.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.