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Finding the Fourth Proportional to 67,001, 100,370.06 and 38,861.94

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Solution

The fourth proportional to 67,001, 100,370.06 and 38,861.94 is: 58,216.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,001 : 100,370.06 = 38,861.94 : x
  2. Step 2: Convert to fraction form
    67,001/100,370.06 = 38,861.94/x
  3. Step 3: Cross multiply
    67,001x = 100,370.06 × 38,861.94
  4. Step 4: Simplify right side
    67,001x = 3,900,575,249.52
  5. Step 5: Solve for x
    x = 3,900,575,249.52/67,001
  6. Step 6: Final answer
    x = 58,216.67

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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.