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Finding the Fourth Proportional to 67,379.94, 101,099.16 and 25,856.10

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Solution

The fourth proportional to 67,379.94, 101,099.16 and 25,856.10 is: 38,795.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,379.94 : 101,099.16 = 25,856.10 : x
  2. Step 2: Convert to fraction form
    67,379.94/101,099.16 = 25,856.10/x
  3. Step 3: Cross multiply
    67,379.94x = 101,099.16 × 25,856.10
  4. Step 4: Simplify right side
    67,379.94x = 2,614,029,990.88
  5. Step 5: Solve for x
    x = 2,614,029,990.88/67,379.94
  6. Step 6: Final answer
    x = 38,795.37

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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.