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Finding the Fourth Proportional to 184,859.28, 255,105.96 and 99,976.44

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Solution

The fourth proportional to 184,859.28, 255,105.96 and 99,976.44 is: 137,967.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,859.28 : 255,105.96 = 99,976.44 : x
  2. Step 2: Convert to fraction form
    184,859.28/255,105.96 = 99,976.44/x
  3. Step 3: Cross multiply
    184,859.28x = 255,105.96 × 99,976.44
  4. Step 4: Simplify right side
    184,859.28x = 25,504,585,703.58
  5. Step 5: Solve for x
    x = 25,504,585,703.58/184,859.28
  6. Step 6: Final answer
    x = 137,967.57

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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.