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Finding the Fourth Proportional to 263,138.96, 394,733.36 and 73,599.36

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Solution

The fourth proportional to 263,138.96, 394,733.36 and 73,599.36 is: 110,406.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,138.96 : 394,733.36 = 73,599.36 : x
  2. Step 2: Convert to fraction form
    263,138.96/394,733.36 = 73,599.36/x
  3. Step 3: Cross multiply
    263,138.96x = 394,733.36 × 73,599.36
  4. Step 4: Simplify right side
    263,138.96x = 29,052,122,666.65
  5. Step 5: Solve for x
    x = 29,052,122,666.65/263,138.96
  6. Step 6: Final answer
    x = 110,406.01

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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.