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Finding the Fourth Proportional to 297,136.92, 410,005.62 and 169,787.90

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Solution

The fourth proportional to 297,136.92, 410,005.62 and 169,787.90 is: 234,282.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,136.92 : 410,005.62 = 169,787.90 : x
  2. Step 2: Convert to fraction form
    297,136.92/410,005.62 = 169,787.90/x
  3. Step 3: Cross multiply
    297,136.92x = 410,005.62 × 169,787.90
  4. Step 4: Simplify right side
    297,136.92x = 69,613,993,208.00
  5. Step 5: Solve for x
    x = 69,613,993,208.00/297,136.92
  6. Step 6: Final answer
    x = 234,282.54

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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.