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Finding the Fourth Proportional to 271,818.10, 407,727.15 and 165,529.90

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Solution

The fourth proportional to 271,818.10, 407,727.15 and 165,529.90 is: 248,294.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,818.10 : 407,727.15 = 165,529.90 : x
  2. Step 2: Convert to fraction form
    271,818.10/407,727.15 = 165,529.90/x
  3. Step 3: Cross multiply
    271,818.10x = 407,727.15 × 165,529.90
  4. Step 4: Simplify right side
    271,818.10x = 67,491,034,366.79
  5. Step 5: Solve for x
    x = 67,491,034,366.79/271,818.10
  6. Step 6: Final answer
    x = 248,294.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.