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Finding the Fourth Proportional to 181,994.82, 273,046.47 and 131,507.94

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Solution

The fourth proportional to 181,994.82, 273,046.47 and 131,507.94 is: 197,301.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,994.82 : 273,046.47 = 131,507.94 : x
  2. Step 2: Convert to fraction form
    181,994.82/273,046.47 = 131,507.94/x
  3. Step 3: Cross multiply
    181,994.82x = 273,046.47 × 131,507.94
  4. Step 4: Simplify right side
    181,994.82x = 35,907,778,793.97
  5. Step 5: Solve for x
    x = 35,907,778,793.97/181,994.82
  6. Step 6: Final answer
    x = 197,301.10

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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.