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Finding the Fourth Proportional to 144,363.87, 199,224.77 and 80,694.83

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Solution

The fourth proportional to 144,363.87, 199,224.77 and 80,694.83 is: 111,360.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,363.87 : 199,224.77 = 80,694.83 : x
  2. Step 2: Convert to fraction form
    144,363.87/199,224.77 = 80,694.83/x
  3. Step 3: Cross multiply
    144,363.87x = 199,224.77 × 80,694.83
  4. Step 4: Simplify right side
    144,363.87x = 16,076,409,041.53
  5. Step 5: Solve for x
    x = 16,076,409,041.53/144,363.87
  6. Step 6: Final answer
    x = 111,360.34

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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.