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Finding the Fourth Proportional to 123,273.60, 184,910.40 and 34,530

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Solution

The fourth proportional to 123,273.60, 184,910.40 and 34,530 is: 51,795

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,273.60 : 184,910.40 = 34,530 : x
  2. Step 2: Convert to fraction form
    123,273.60/184,910.40 = 34,530/x
  3. Step 3: Cross multiply
    123,273.60x = 184,910.40 × 34,530
  4. Step 4: Simplify right side
    123,273.60x = 6,384,956,112
  5. Step 5: Solve for x
    x = 6,384,956,112/123,273.60
  6. Step 6: Final answer
    x = 51,795

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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.