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Finding the Fourth Proportional to 79,855.76, 110,099.76 and 52,627.61

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Solution

The fourth proportional to 79,855.76, 110,099.76 and 52,627.61 is: 72,559.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,855.76 : 110,099.76 = 52,627.61 : x
  2. Step 2: Convert to fraction form
    79,855.76/110,099.76 = 52,627.61/x
  3. Step 3: Cross multiply
    79,855.76x = 110,099.76 × 52,627.61
  4. Step 4: Simplify right side
    79,855.76x = 5,794,286,679.87
  5. Step 5: Solve for x
    x = 5,794,286,679.87/79,855.76
  6. Step 6: Final answer
    x = 72,559.41

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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.