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Finding the Fourth Proportional to 227,434.80, 313,853.22 and 126,832.80

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Solution

The fourth proportional to 227,434.80, 313,853.22 and 126,832.80 is: 175,025.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,434.80 : 313,853.22 = 126,832.80 : x
  2. Step 2: Convert to fraction form
    227,434.80/313,853.22 = 126,832.80/x
  3. Step 3: Cross multiply
    227,434.80x = 313,853.22 × 126,832.80
  4. Step 4: Simplify right side
    227,434.80x = 39,806,882,681.62
  5. Step 5: Solve for x
    x = 39,806,882,681.62/227,434.80
  6. Step 6: Final answer
    x = 175,025.47

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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.