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Finding the Fourth Proportional to 122,793.63, 184,190.49 and 55,246.77

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Solution

The fourth proportional to 122,793.63, 184,190.49 and 55,246.77 is: 82,870.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,793.63 : 184,190.49 = 55,246.77 : x
  2. Step 2: Convert to fraction form
    122,793.63/184,190.49 = 55,246.77/x
  3. Step 3: Cross multiply
    122,793.63x = 184,190.49 × 55,246.77
  4. Step 4: Simplify right side
    122,793.63x = 10,175,929,637.22
  5. Step 5: Solve for x
    x = 10,175,929,637.22/122,793.63
  6. Step 6: Final answer
    x = 82,870.17

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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.