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Finding the Fourth Proportional to 262,773.96, 394,161.12 and 73,234.86

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Solution

The fourth proportional to 262,773.96, 394,161.12 and 73,234.86 is: 109,852.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,773.96 : 394,161.12 = 73,234.86 : x
  2. Step 2: Convert to fraction form
    262,773.96/394,161.12 = 73,234.86/x
  3. Step 3: Cross multiply
    262,773.96x = 394,161.12 × 73,234.86
  4. Step 4: Simplify right side
    262,773.96x = 28,866,334,440.64
  5. Step 5: Solve for x
    x = 28,866,334,440.64/262,773.96
  6. Step 6: Final answer
    x = 109,852.34

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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.