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Finding the Fourth Proportional to 227,082.56, 313,383.56 and 126,480.56

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Solution

The fourth proportional to 227,082.56, 313,383.56 and 126,480.56 is: 174,548.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,082.56 : 313,383.56 = 126,480.56 : x
  2. Step 2: Convert to fraction form
    227,082.56/313,383.56 = 126,480.56/x
  3. Step 3: Cross multiply
    227,082.56x = 313,383.56 × 126,480.56
  4. Step 4: Simplify right side
    227,082.56x = 39,636,928,163.59
  5. Step 5: Solve for x
    x = 39,636,928,163.59/227,082.56
  6. Step 6: Final answer
    x = 174,548.53

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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.