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Finding the Fourth Proportional to 227,010.52, 313,284.20 and 126,408.52

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Solution

The fourth proportional to 227,010.52, 313,284.20 and 126,408.52 is: 174,449.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,010.52 : 313,284.20 = 126,408.52 : x
  2. Step 2: Convert to fraction form
    227,010.52/313,284.20 = 126,408.52/x
  3. Step 3: Cross multiply
    227,010.52x = 313,284.20 × 126,408.52
  4. Step 4: Simplify right side
    227,010.52x = 39,601,792,061.38
  5. Step 5: Solve for x
    x = 39,601,792,061.38/227,010.52
  6. Step 6: Final answer
    x = 174,449.15

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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.