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Finding the Fourth Proportional to 227,072.56, 313,369.76 and 126,470.56

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Solution

The fourth proportional to 227,072.56, 313,369.76 and 126,470.56 is: 174,534.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,072.56 : 313,369.76 = 126,470.56 : x
  2. Step 2: Convert to fraction form
    227,072.56/313,369.76 = 126,470.56/x
  3. Step 3: Cross multiply
    227,072.56x = 313,369.76 × 126,470.56
  4. Step 4: Simplify right side
    227,072.56x = 39,632,049,034.27
  5. Step 5: Solve for x
    x = 39,632,049,034.27/227,072.56
  6. Step 6: Final answer
    x = 174,534.73

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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.