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Finding the Fourth Proportional to 122,977.70, 184,466.55 and 44,099.90

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Solution

The fourth proportional to 122,977.70, 184,466.55 and 44,099.90 is: 66,149.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,977.70 : 184,466.55 = 44,099.90 : x
  2. Step 2: Convert to fraction form
    122,977.70/184,466.55 = 44,099.90/x
  3. Step 3: Cross multiply
    122,977.70x = 184,466.55 × 44,099.90
  4. Step 4: Simplify right side
    122,977.70x = 8,134,956,408.35
  5. Step 5: Solve for x
    x = 8,134,956,408.35/122,977.70
  6. Step 6: Final answer
    x = 66,149.85

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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.