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Finding the Fourth Proportional to 271,258.91, 374,262.82 and 162,318.97

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Solution

The fourth proportional to 271,258.91, 374,262.82 and 162,318.97 is: 223,955.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,258.91 : 374,262.82 = 162,318.97 : x
  2. Step 2: Convert to fraction form
    271,258.91/374,262.82 = 162,318.97/x
  3. Step 3: Cross multiply
    271,258.91x = 374,262.82 × 162,318.97
  4. Step 4: Simplify right side
    271,258.91x = 60,749,955,451.70
  5. Step 5: Solve for x
    x = 60,749,955,451.70/271,258.91
  6. Step 6: Final answer
    x = 223,955.61

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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.