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Finding the Fourth Proportional to 122,965.70, 184,448.55 and 44,087.90

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Solution

The fourth proportional to 122,965.70, 184,448.55 and 44,087.90 is: 66,131.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,965.70 : 184,448.55 = 44,087.90 : x
  2. Step 2: Convert to fraction form
    122,965.70/184,448.55 = 44,087.90/x
  3. Step 3: Cross multiply
    122,965.70x = 184,448.55 × 44,087.90
  4. Step 4: Simplify right side
    122,965.70x = 8,131,949,227.55
  5. Step 5: Solve for x
    x = 8,131,949,227.55/122,965.70
  6. Step 6: Final answer
    x = 66,131.85

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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.