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Finding the Fourth Proportional to 227,432.80, 313,850.46 and 126,830.80

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Solution

The fourth proportional to 227,432.80, 313,850.46 and 126,830.80 is: 175,022.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,432.80 : 313,850.46 = 126,830.80 : x
  2. Step 2: Convert to fraction form
    227,432.80/313,850.46 = 126,830.80/x
  3. Step 3: Cross multiply
    227,432.80x = 313,850.46 × 126,830.80
  4. Step 4: Simplify right side
    227,432.80x = 39,805,904,922.17
  5. Step 5: Solve for x
    x = 39,805,904,922.17/227,432.80
  6. Step 6: Final answer
    x = 175,022.71

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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.