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Finding the Fourth Proportional to 81,652.83, 122,460.60 and 22,493.67

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Solution

The fourth proportional to 81,652.83, 122,460.60 and 22,493.67 is: 33,735.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,652.83 : 122,460.60 = 22,493.67 : x
  2. Step 2: Convert to fraction form
    81,652.83/122,460.60 = 22,493.67/x
  3. Step 3: Cross multiply
    81,652.83x = 122,460.60 × 22,493.67
  4. Step 4: Simplify right side
    81,652.83x = 2,754,588,324.40
  5. Step 5: Solve for x
    x = 2,754,588,324.40/81,652.83
  6. Step 6: Final answer
    x = 33,735.37

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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.