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Finding the Fourth Proportional to 273,787.92, 409,682.75 and 161,521.92

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Solution

The fourth proportional to 273,787.92, 409,682.75 and 161,521.92 is: 241,693.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,787.92 : 409,682.75 = 161,521.92 : x
  2. Step 2: Convert to fraction form
    273,787.92/409,682.75 = 161,521.92/x
  3. Step 3: Cross multiply
    273,787.92x = 409,682.75 × 161,521.92
  4. Step 4: Simplify right side
    273,787.92x = 66,172,743,563.27
  5. Step 5: Solve for x
    x = 66,172,743,563.27/273,787.92
  6. Step 6: Final answer
    x = 241,693.44

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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.