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Finding the Fourth Proportional to 268,909.44, 403,298.55 and 111,183

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Solution

The fourth proportional to 268,909.44, 403,298.55 and 111,183 is: 166,747.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,909.44 : 403,298.55 = 111,183 : x
  2. Step 2: Convert to fraction form
    268,909.44/403,298.55 = 111,183/x
  3. Step 3: Cross multiply
    268,909.44x = 403,298.55 × 111,183
  4. Step 4: Simplify right side
    268,909.44x = 44,839,942,684.65
  5. Step 5: Solve for x
    x = 44,839,942,684.65/268,909.44
  6. Step 6: Final answer
    x = 166,747.37

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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.