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Finding the Fourth Proportional to 184,993.50, 255,292.88 and 100,112.39

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Solution

The fourth proportional to 184,993.50, 255,292.88 and 100,112.39 is: 138,156.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,993.50 : 255,292.88 = 100,112.39 : x
  2. Step 2: Convert to fraction form
    184,993.50/255,292.88 = 100,112.39/x
  3. Step 3: Cross multiply
    184,993.50x = 255,292.88 × 100,112.39
  4. Step 4: Simplify right side
    184,993.50x = 25,557,978,589.76
  5. Step 5: Solve for x
    x = 25,557,978,589.76/184,993.50
  6. Step 6: Final answer
    x = 138,156.09

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1.5x scale

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.