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Finding the Fourth Proportional to 181,593.78, 272,390.67 and 56,944.50

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Solution

The fourth proportional to 181,593.78, 272,390.67 and 56,944.50 is: 85,416.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,593.78 : 272,390.67 = 56,944.50 : x
  2. Step 2: Convert to fraction form
    181,593.78/272,390.67 = 56,944.50/x
  3. Step 3: Cross multiply
    181,593.78x = 272,390.67 × 56,944.50
  4. Step 4: Simplify right side
    181,593.78x = 15,511,150,507.82
  5. Step 5: Solve for x
    x = 15,511,150,507.82/181,593.78
  6. Step 6: Final answer
    x = 85,416.75

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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.