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Finding the Fourth Proportional to 255,993.32, 383,906.54 and 121,044.04

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Solution

The fourth proportional to 255,993.32, 383,906.54 and 121,044.04 is: 181,526.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,993.32 : 383,906.54 = 121,044.04 : x
  2. Step 2: Convert to fraction form
    255,993.32/383,906.54 = 121,044.04/x
  3. Step 3: Cross multiply
    255,993.32x = 383,906.54 × 121,044.04
  4. Step 4: Simplify right side
    255,993.32x = 46,469,598,584.02
  5. Step 5: Solve for x
    x = 46,469,598,584.02/255,993.32
  6. Step 6: Final answer
    x = 181,526.61

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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.