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Finding the Fourth Proportional to 234,847, 352,335.30 and 68,635

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Solution

The fourth proportional to 234,847, 352,335.30 and 68,635 is: 102,971.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,847 : 352,335.30 = 68,635 : x
  2. Step 2: Convert to fraction form
    234,847/352,335.30 = 68,635/x
  3. Step 3: Cross multiply
    234,847x = 352,335.30 × 68,635
  4. Step 4: Simplify right side
    234,847x = 24,182,533,315.50
  5. Step 5: Solve for x
    x = 24,182,533,315.50/234,847
  6. Step 6: Final answer
    x = 102,971.44

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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.