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Finding the Fourth Proportional to 204,365.52, 306,676.76 and 108,389.03

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Solution

The fourth proportional to 204,365.52, 306,676.76 and 108,389.03 is: 162,651.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,365.52 : 306,676.76 = 108,389.03 : x
  2. Step 2: Convert to fraction form
    204,365.52/306,676.76 = 108,389.03/x
  3. Step 3: Cross multiply
    204,365.52x = 306,676.76 × 108,389.03
  4. Step 4: Simplify right side
    204,365.52x = 33,240,394,464.61
  5. Step 5: Solve for x
    x = 33,240,394,464.61/204,365.52
  6. Step 6: Final answer
    x = 162,651.68

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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.