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Finding the Fourth Proportional to 203,160.52, 280,500.06 and 126,709.48

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Solution

The fourth proportional to 203,160.52, 280,500.06 and 126,709.48 is: 174,945.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,160.52 : 280,500.06 = 126,709.48 : x
  2. Step 2: Convert to fraction form
    203,160.52/280,500.06 = 126,709.48/x
  3. Step 3: Cross multiply
    203,160.52x = 280,500.06 × 126,709.48
  4. Step 4: Simplify right side
    203,160.52x = 35,542,016,742.57
  5. Step 5: Solve for x
    x = 35,542,016,742.57/203,160.52
  6. Step 6: Final answer
    x = 174,945.49

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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.