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Finding the Fourth Proportional to 184,902.21, 255,084 and 108,382.51

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Solution

The fourth proportional to 184,902.21, 255,084 and 108,382.51 is: 149,520.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,902.21 : 255,084 = 108,382.51 : x
  2. Step 2: Convert to fraction form
    184,902.21/255,084 = 108,382.51/x
  3. Step 3: Cross multiply
    184,902.21x = 255,084 × 108,382.51
  4. Step 4: Simplify right side
    184,902.21x = 27,646,644,180.84
  5. Step 5: Solve for x
    x = 27,646,644,180.84/184,902.21
  6. Step 6: Final answer
    x = 149,520.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.