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Finding the Fourth Proportional to 123,066.70, 184,600.05 and 69,922.60

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Solution

The fourth proportional to 123,066.70, 184,600.05 and 69,922.60 is: 104,883.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,066.70 : 184,600.05 = 69,922.60 : x
  2. Step 2: Convert to fraction form
    123,066.70/184,600.05 = 69,922.60/x
  3. Step 3: Cross multiply
    123,066.70x = 184,600.05 × 69,922.60
  4. Step 4: Simplify right side
    123,066.70x = 12,907,715,456.13
  5. Step 5: Solve for x
    x = 12,907,715,456.13/123,066.70
  6. Step 6: Final answer
    x = 104,883.90

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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.