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Finding the Fourth Proportional to 80,103.75, 110,538.86 and 44,291.67

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Solution

The fourth proportional to 80,103.75, 110,538.86 and 44,291.67 is: 61,120.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,103.75 : 110,538.86 = 44,291.67 : x
  2. Step 2: Convert to fraction form
    80,103.75/110,538.86 = 44,291.67/x
  3. Step 3: Cross multiply
    80,103.75x = 110,538.86 × 44,291.67
  4. Step 4: Simplify right side
    80,103.75x = 4,895,950,487.84
  5. Step 5: Solve for x
    x = 4,895,950,487.84/80,103.75
  6. Step 6: Final answer
    x = 61,120.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.