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Finding the Fourth Proportional to 262,611.37, 394,016.32 and 102,801.51

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Solution

The fourth proportional to 262,611.37, 394,016.32 and 102,801.51 is: 154,241.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,611.37 : 394,016.32 = 102,801.51 : x
  2. Step 2: Convert to fraction form
    262,611.37/394,016.32 = 102,801.51/x
  3. Step 3: Cross multiply
    262,611.37x = 394,016.32 × 102,801.51
  4. Step 4: Simplify right side
    262,611.37x = 40,505,472,660.64
  5. Step 5: Solve for x
    x = 40,505,472,660.64/262,611.37
  6. Step 6: Final answer
    x = 154,241.12

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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.