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Finding the Fourth Proportional to 243,761.05, 365,687.34 and 110,650.67

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Solution

The fourth proportional to 243,761.05, 365,687.34 and 110,650.67 is: 165,996.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,761.05 : 365,687.34 = 110,650.67 : x
  2. Step 2: Convert to fraction form
    243,761.05/365,687.34 = 110,650.67/x
  3. Step 3: Cross multiply
    243,761.05x = 365,687.34 × 110,650.67
  4. Step 4: Simplify right side
    243,761.05x = 40,463,549,181.52
  5. Step 5: Solve for x
    x = 40,463,549,181.52/243,761.05
  6. Step 6: Final answer
    x = 165,996.78

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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.