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Finding the Fourth Proportional to 122,805.80, 184,208.70 and 43,922.60

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Solution

The fourth proportional to 122,805.80, 184,208.70 and 43,922.60 is: 65,883.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,805.80 : 184,208.70 = 43,922.60 : x
  2. Step 2: Convert to fraction form
    122,805.80/184,208.70 = 43,922.60/x
  3. Step 3: Cross multiply
    122,805.80x = 184,208.70 × 43,922.60
  4. Step 4: Simplify right side
    122,805.80x = 8,090,925,046.62
  5. Step 5: Solve for x
    x = 8,090,925,046.62/122,805.80
  6. Step 6: Final answer
    x = 65,883.90

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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.