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Finding the Fourth Proportional to 262,672.20, 394,030.17 and 104,814.54

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Solution

The fourth proportional to 262,672.20, 394,030.17 and 104,814.54 is: 157,230.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,672.20 : 394,030.17 = 104,814.54 : x
  2. Step 2: Convert to fraction form
    262,672.20/394,030.17 = 104,814.54/x
  3. Step 3: Cross multiply
    262,672.20x = 394,030.17 × 104,814.54
  4. Step 4: Simplify right side
    262,672.20x = 41,300,091,014.67
  5. Step 5: Solve for x
    x = 41,300,091,014.67/262,672.20
  6. Step 6: Final answer
    x = 157,230.54

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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.