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Finding the Fourth Proportional to 271,496.46, 374,719.63 and 156,793.78

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Solution

The fourth proportional to 271,496.46, 374,719.63 and 156,793.78 is: 216,406.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,496.46 : 374,719.63 = 156,793.78 : x
  2. Step 2: Convert to fraction form
    271,496.46/374,719.63 = 156,793.78/x
  3. Step 3: Cross multiply
    271,496.46x = 374,719.63 × 156,793.78
  4. Step 4: Simplify right side
    271,496.46x = 58,753,707,227.90
  5. Step 5: Solve for x
    x = 58,753,707,227.90/271,496.46
  6. Step 6: Final answer
    x = 216,406.90

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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.