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Finding the Fourth Proportional to 234,230.45, 323,238.13 and 126,800.48

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Solution

The fourth proportional to 234,230.45, 323,238.13 and 126,800.48 is: 174,984.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,230.45 : 323,238.13 = 126,800.48 : x
  2. Step 2: Convert to fraction form
    234,230.45/323,238.13 = 126,800.48/x
  3. Step 3: Cross multiply
    234,230.45x = 323,238.13 × 126,800.48
  4. Step 4: Simplify right side
    234,230.45x = 40,986,751,610.97
  5. Step 5: Solve for x
    x = 40,986,751,610.97/234,230.45
  6. Step 6: Final answer
    x = 174,984.73

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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.