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Finding the Fourth Proportional to 79,930.56, 110,236.50 and 48,093.54

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Solution

The fourth proportional to 79,930.56, 110,236.50 and 48,093.54 is: 66,328.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,930.56 : 110,236.50 = 48,093.54 : x
  2. Step 2: Convert to fraction form
    79,930.56/110,236.50 = 48,093.54/x
  3. Step 3: Cross multiply
    79,930.56x = 110,236.50 × 48,093.54
  4. Step 4: Simplify right side
    79,930.56x = 5,301,663,522.21
  5. Step 5: Solve for x
    x = 5,301,663,522.21/79,930.56
  6. Step 6: Final answer
    x = 66,328.37

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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.