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Finding the Fourth Proportional to 126,052.13, 188,950 and 50,204.40

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Solution

The fourth proportional to 126,052.13, 188,950 and 50,204.40 is: 75,255.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,052.13 : 188,950 = 50,204.40 : x
  2. Step 2: Convert to fraction form
    126,052.13/188,950 = 50,204.40/x
  3. Step 3: Cross multiply
    126,052.13x = 188,950 × 50,204.40
  4. Step 4: Simplify right side
    126,052.13x = 9,486,121,380
  5. Step 5: Solve for x
    x = 9,486,121,380/126,052.13
  6. Step 6: Final answer
    x = 75,255.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.