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Finding the Fourth Proportional to 271,236.56, 406,872.76 and 93,760.72

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Solution

The fourth proportional to 271,236.56, 406,872.76 and 93,760.72 is: 140,647.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,236.56 : 406,872.76 = 93,760.72 : x
  2. Step 2: Convert to fraction form
    271,236.56/406,872.76 = 93,760.72/x
  3. Step 3: Cross multiply
    271,236.56x = 406,872.76 × 93,760.72
  4. Step 4: Simplify right side
    271,236.56x = 38,148,682,925.99
  5. Step 5: Solve for x
    x = 38,148,682,925.99/271,236.56
  6. Step 6: Final answer
    x = 140,647.27

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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.