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Finding the Fourth Proportional to 227,491.54, 341,446.98 and 115,249.96

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Solution

The fourth proportional to 227,491.54, 341,446.98 and 115,249.96 is: 172,981.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,491.54 : 341,446.98 = 115,249.96 : x
  2. Step 2: Convert to fraction form
    227,491.54/341,446.98 = 115,249.96/x
  3. Step 3: Cross multiply
    227,491.54x = 341,446.98 × 115,249.96
  4. Step 4: Simplify right side
    227,491.54x = 39,351,750,787.12
  5. Step 5: Solve for x
    x = 39,351,750,787.12/227,491.54
  6. Step 6: Final answer
    x = 172,981.16

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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.