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Finding the Fourth Proportional to 271,561.71, 374,494.79 and 162,648.61

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Solution

The fourth proportional to 271,561.71, 374,494.79 and 162,648.61 is: 224,299.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,561.71 : 374,494.79 = 162,648.61 : x
  2. Step 2: Convert to fraction form
    271,561.71/374,494.79 = 162,648.61/x
  3. Step 3: Cross multiply
    271,561.71x = 374,494.79 × 162,648.61
  4. Step 4: Simplify right side
    271,561.71x = 60,911,056,516.13
  5. Step 5: Solve for x
    x = 60,911,056,516.13/271,561.71
  6. Step 6: Final answer
    x = 224,299.13

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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.