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Finding the Fourth Proportional to 234,747.42, 352,016.64 and 74,793.96

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Solution

The fourth proportional to 234,747.42, 352,016.64 and 74,793.96 is: 112,157.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,747.42 : 352,016.64 = 74,793.96 : x
  2. Step 2: Convert to fraction form
    234,747.42/352,016.64 = 74,793.96/x
  3. Step 3: Cross multiply
    234,747.42x = 352,016.64 × 74,793.96
  4. Step 4: Simplify right side
    234,747.42x = 26,328,718,491.49
  5. Step 5: Solve for x
    x = 26,328,718,491.49/234,747.42
  6. Step 6: Final answer
    x = 112,157.65

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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.