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Finding the Fourth Proportional to 181,172.73, 271,694.43 and 74,525.52

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Solution

The fourth proportional to 181,172.73, 271,694.43 and 74,525.52 is: 111,761.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,172.73 : 271,694.43 = 74,525.52 : x
  2. Step 2: Convert to fraction form
    181,172.73/271,694.43 = 74,525.52/x
  3. Step 3: Cross multiply
    181,172.73x = 271,694.43 × 74,525.52
  4. Step 4: Simplify right side
    181,172.73x = 20,248,168,676.85
  5. Step 5: Solve for x
    x = 20,248,168,676.85/181,172.73
  6. Step 6: Final answer
    x = 111,761.68

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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.