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Finding the Fourth Proportional to 227,086.22, 313,363.86 and 131,575.88

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Solution

The fourth proportional to 227,086.22, 313,363.86 and 131,575.88 is: 181,565.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,086.22 : 313,363.86 = 131,575.88 : x
  2. Step 2: Convert to fraction form
    227,086.22/313,363.86 = 131,575.88/x
  3. Step 3: Cross multiply
    227,086.22x = 313,363.86 × 131,575.88
  4. Step 4: Simplify right side
    227,086.22x = 41,231,125,639.70
  5. Step 5: Solve for x
    x = 41,231,125,639.70/227,086.22
  6. Step 6: Final answer
    x = 181,565.95

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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.