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Finding the Fourth Proportional to 255,912.86, 383,557.97 and 181,054.58

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Solution

The fourth proportional to 255,912.86, 383,557.97 and 181,054.58 is: 271,361.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,912.86 : 383,557.97 = 181,054.58 : x
  2. Step 2: Convert to fraction form
    255,912.86/383,557.97 = 181,054.58/x
  3. Step 3: Cross multiply
    255,912.86x = 383,557.97 × 181,054.58
  4. Step 4: Simplify right side
    255,912.86x = 69,444,928,575.53
  5. Step 5: Solve for x
    x = 69,444,928,575.53/255,912.86
  6. Step 6: Final answer
    x = 271,361.63

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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.