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Finding the Fourth Proportional to 234,846.50, 352,334.55 and 68,634.50

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Solution

The fourth proportional to 234,846.50, 352,334.55 and 68,634.50 is: 102,970.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,846.50 : 352,334.55 = 68,634.50 : x
  2. Step 2: Convert to fraction form
    234,846.50/352,334.55 = 68,634.50/x
  3. Step 3: Cross multiply
    234,846.50x = 352,334.55 × 68,634.50
  4. Step 4: Simplify right side
    234,846.50x = 24,182,305,671.98
  5. Step 5: Solve for x
    x = 24,182,305,671.98/234,846.50
  6. Step 6: Final answer
    x = 102,970.69

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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.