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Finding the Fourth Proportional to 72,024.56, 108,057.60 and 22,112

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Solution

The fourth proportional to 72,024.56, 108,057.60 and 22,112 is: 33,174.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,024.56 : 108,057.60 = 22,112 : x
  2. Step 2: Convert to fraction form
    72,024.56/108,057.60 = 22,112/x
  3. Step 3: Cross multiply
    72,024.56x = 108,057.60 × 22,112
  4. Step 4: Simplify right side
    72,024.56x = 2,389,369,651.20
  5. Step 5: Solve for x
    x = 2,389,369,651.20/72,024.56
  6. Step 6: Final answer
    x = 33,174.37

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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.