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Finding the Fourth Proportional to 144,363.44, 199,220.88 and 80,700.80

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Solution

The fourth proportional to 144,363.44, 199,220.88 and 80,700.80 is: 111,366.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,363.44 : 199,220.88 = 80,700.80 : x
  2. Step 2: Convert to fraction form
    144,363.44/199,220.88 = 80,700.80/x
  3. Step 3: Cross multiply
    144,363.44x = 199,220.88 × 80,700.80
  4. Step 4: Simplify right side
    144,363.44x = 16,077,284,392.70
  5. Step 5: Solve for x
    x = 16,077,284,392.70/144,363.44
  6. Step 6: Final answer
    x = 111,366.73

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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.