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Finding the Fourth Proportional to 67,327.34, 100,861.74 and 37,655.28

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Solution

The fourth proportional to 67,327.34, 100,861.74 and 37,655.28 is: 56,410.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,327.34 : 100,861.74 = 37,655.28 : x
  2. Step 2: Convert to fraction form
    67,327.34/100,861.74 = 37,655.28/x
  3. Step 3: Cross multiply
    67,327.34x = 100,861.74 × 37,655.28
  4. Step 4: Simplify right side
    67,327.34x = 3,797,977,060.99
  5. Step 5: Solve for x
    x = 3,797,977,060.99/67,327.34
  6. Step 6: Final answer
    x = 56,410.63

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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.