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Finding the Fourth Proportional to 79,830.26, 110,163.24 and 44,021.78

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Solution

The fourth proportional to 79,830.26, 110,163.24 and 44,021.78 is: 60,748.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,830.26 : 110,163.24 = 44,021.78 : x
  2. Step 2: Convert to fraction form
    79,830.26/110,163.24 = 44,021.78/x
  3. Step 3: Cross multiply
    79,830.26x = 110,163.24 × 44,021.78
  4. Step 4: Simplify right side
    79,830.26x = 4,849,581,915.37
  5. Step 5: Solve for x
    x = 4,849,581,915.37/79,830.26
  6. Step 6: Final answer
    x = 60,748.67

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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.