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Finding the Fourth Proportional to 184,877.91, 255,115.85 and 103,198.73

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Solution

The fourth proportional to 184,877.91, 255,115.85 and 103,198.73 is: 142,405.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,877.91 : 255,115.85 = 103,198.73 : x
  2. Step 2: Convert to fraction form
    184,877.91/255,115.85 = 103,198.73/x
  3. Step 3: Cross multiply
    184,877.91x = 255,115.85 × 103,198.73
  4. Step 4: Simplify right side
    184,877.91x = 26,327,629,931.30
  5. Step 5: Solve for x
    x = 26,327,629,931.30/184,877.91
  6. Step 6: Final answer
    x = 142,405.49

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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.