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Finding the Fourth Proportional to 203,086.44, 280,290.24 and 126,617.94

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Solution

The fourth proportional to 203,086.44, 280,290.24 and 126,617.94 is: 174,752.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,086.44 : 280,290.24 = 126,617.94 : x
  2. Step 2: Convert to fraction form
    203,086.44/280,290.24 = 126,617.94/x
  3. Step 3: Cross multiply
    203,086.44x = 280,290.24 × 126,617.94
  4. Step 4: Simplify right side
    203,086.44x = 35,489,772,790.91
  5. Step 5: Solve for x
    x = 35,489,772,790.91/203,086.44
  6. Step 6: Final answer
    x = 174,752.06

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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.