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Finding the Fourth Proportional to 204,554.52, 306,845.64 and 69,563.64

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Solution

The fourth proportional to 204,554.52, 306,845.64 and 69,563.64 is: 104,350.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,554.52 : 306,845.64 = 69,563.64 : x
  2. Step 2: Convert to fraction form
    204,554.52/306,845.64 = 69,563.64/x
  3. Step 3: Cross multiply
    204,554.52x = 306,845.64 × 69,563.64
  4. Step 4: Simplify right side
    204,554.52x = 21,345,299,636.53
  5. Step 5: Solve for x
    x = 21,345,299,636.53/204,554.52
  6. Step 6: Final answer
    x = 104,350.17

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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.