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Finding the Fourth Proportional to 184,608.38, 276,961.80 and 66,280.75

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Solution

The fourth proportional to 184,608.38, 276,961.80 and 66,280.75 is: 99,438.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,608.38 : 276,961.80 = 66,280.75 : x
  2. Step 2: Convert to fraction form
    184,608.38/276,961.80 = 66,280.75/x
  3. Step 3: Cross multiply
    184,608.38x = 276,961.80 × 66,280.75
  4. Step 4: Simplify right side
    184,608.38x = 18,357,234,109.14
  5. Step 5: Solve for x
    x = 18,357,234,109.14/184,608.38
  6. Step 6: Final answer
    x = 99,438.79

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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.