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Finding the Fourth Proportional to 204,662.62, 306,736.08 and 109,657.18

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Solution

The fourth proportional to 204,662.62, 306,736.08 and 109,657.18 is: 164,347.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,662.62 : 306,736.08 = 109,657.18 : x
  2. Step 2: Convert to fraction form
    204,662.62/306,736.08 = 109,657.18/x
  3. Step 3: Cross multiply
    204,662.62x = 306,736.08 × 109,657.18
  4. Step 4: Simplify right side
    204,662.62x = 33,635,813,537.05
  5. Step 5: Solve for x
    x = 33,635,813,537.05/204,662.62
  6. Step 6: Final answer
    x = 164,347.62

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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.