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Finding the Fourth Proportional to 103,306.72, 154,926.16 and 33,169.44

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Solution

The fourth proportional to 103,306.72, 154,926.16 and 33,169.44 is: 49,743.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,306.72 : 154,926.16 = 33,169.44 : x
  2. Step 2: Convert to fraction form
    103,306.72/154,926.16 = 33,169.44/x
  3. Step 3: Cross multiply
    103,306.72x = 154,926.16 × 33,169.44
  4. Step 4: Simplify right side
    103,306.72x = 5,138,813,968.55
  5. Step 5: Solve for x
    x = 5,138,813,968.55/103,306.72
  6. Step 6: Final answer
    x = 49,743.27

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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.