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Finding the Fourth Proportional to 204,615.99, 306,924.59 and 71,496.27

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Solution

The fourth proportional to 204,615.99, 306,924.59 and 71,496.27 is: 107,244.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,615.99 : 306,924.59 = 71,496.27 : x
  2. Step 2: Convert to fraction form
    204,615.99/306,924.59 = 71,496.27/x
  3. Step 3: Cross multiply
    204,615.99x = 306,924.59 × 71,496.27
  4. Step 4: Simplify right side
    204,615.99x = 21,943,963,535.02
  5. Step 5: Solve for x
    x = 21,943,963,535.02/204,615.99
  6. Step 6: Final answer
    x = 107,244.62

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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.