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Finding the Fourth Proportional to 271,496.14, 374,719.19 and 156,793.46

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Solution

The fourth proportional to 271,496.14, 374,719.19 and 156,793.46 is: 216,406.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,496.14 : 374,719.19 = 156,793.46 : x
  2. Step 2: Convert to fraction form
    271,496.14/374,719.19 = 156,793.46/x
  3. Step 3: Cross multiply
    271,496.14x = 374,719.19 × 156,793.46
  4. Step 4: Simplify right side
    271,496.14x = 58,753,515,670.93
  5. Step 5: Solve for x
    x = 58,753,515,670.93/271,496.14
  6. Step 6: Final answer
    x = 216,406.45

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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.