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Finding the Fourth Proportional to 122,991.75, 184,484.39 and 34,241.67

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Solution

The fourth proportional to 122,991.75, 184,484.39 and 34,241.67 is: 51,361.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,991.75 : 184,484.39 = 34,241.67 : x
  2. Step 2: Convert to fraction form
    122,991.75/184,484.39 = 34,241.67/x
  3. Step 3: Cross multiply
    122,991.75x = 184,484.39 × 34,241.67
  4. Step 4: Simplify right side
    122,991.75x = 6,317,053,431.32
  5. Step 5: Solve for x
    x = 6,317,053,431.32/122,991.75
  6. Step 6: Final answer
    x = 51,361.60

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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.