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Finding the Fourth Proportional to 262,682.52, 394,183.14 and 104,897.76

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Solution

The fourth proportional to 262,682.52, 394,183.14 and 104,897.76 is: 157,410.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,682.52 : 394,183.14 = 104,897.76 : x
  2. Step 2: Convert to fraction form
    262,682.52/394,183.14 = 104,897.76/x
  3. Step 3: Cross multiply
    262,682.52x = 394,183.14 × 104,897.76
  4. Step 4: Simplify right side
    262,682.52x = 41,348,928,415.77
  5. Step 5: Solve for x
    x = 41,348,928,415.77/262,682.52
  6. Step 6: Final answer
    x = 157,410.28

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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.