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Finding the Fourth Proportional to 67,491.64, 101,299.26 and 34,234.68

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Solution

The fourth proportional to 67,491.64, 101,299.26 and 34,234.68 is: 51,383.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,491.64 : 101,299.26 = 34,234.68 : x
  2. Step 2: Convert to fraction form
    67,491.64/101,299.26 = 34,234.68/x
  3. Step 3: Cross multiply
    67,491.64x = 101,299.26 × 34,234.68
  4. Step 4: Simplify right side
    67,491.64x = 3,467,947,750.34
  5. Step 5: Solve for x
    x = 3,467,947,750.34/67,491.64
  6. Step 6: Final answer
    x = 51,383.37

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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.