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Finding the Fourth Proportional to 122,993.70, 184,490.55 and 44,115.90

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Solution

The fourth proportional to 122,993.70, 184,490.55 and 44,115.90 is: 66,173.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,993.70 : 184,490.55 = 44,115.90 : x
  2. Step 2: Convert to fraction form
    122,993.70/184,490.55 = 44,115.90/x
  3. Step 3: Cross multiply
    122,993.70x = 184,490.55 × 44,115.90
  4. Step 4: Simplify right side
    122,993.70x = 8,138,966,654.75
  5. Step 5: Solve for x
    x = 8,138,966,654.75/122,993.70
  6. Step 6: Final answer
    x = 66,173.85

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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.