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Finding the Fourth Proportional to 123,235.38, 184,845.78 and 34,486.92

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Solution

The fourth proportional to 123,235.38, 184,845.78 and 34,486.92 is: 51,728.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,235.38 : 184,845.78 = 34,486.92 : x
  2. Step 2: Convert to fraction form
    123,235.38/184,845.78 = 34,486.92/x
  3. Step 3: Cross multiply
    123,235.38x = 184,845.78 × 34,486.92
  4. Step 4: Simplify right side
    123,235.38x = 6,374,761,627.20
  5. Step 5: Solve for x
    x = 6,374,761,627.20/123,235.38
  6. Step 6: Final answer
    x = 51,728.34

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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.