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Finding the Fourth Proportional to 374,486.94, 561,734.52 and 108,249.77

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Solution

The fourth proportional to 374,486.94, 561,734.52 and 108,249.77 is: 162,375.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,486.94 : 561,734.52 = 108,249.77 : x
  2. Step 2: Convert to fraction form
    374,486.94/561,734.52 = 108,249.77/x
  3. Step 3: Cross multiply
    374,486.94x = 561,734.52 × 108,249.77
  4. Step 4: Simplify right side
    374,486.94x = 60,807,629,241.14
  5. Step 5: Solve for x
    x = 60,807,629,241.14/374,486.94
  6. Step 6: Final answer
    x = 162,375.83

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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.