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Finding the Fourth Proportional to 184,512.60, 276,768.90 and 127,431.90

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Solution

The fourth proportional to 184,512.60, 276,768.90 and 127,431.90 is: 191,147.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,512.60 : 276,768.90 = 127,431.90 : x
  2. Step 2: Convert to fraction form
    184,512.60/276,768.90 = 127,431.90/x
  3. Step 3: Cross multiply
    184,512.60x = 276,768.90 × 127,431.90
  4. Step 4: Simplify right side
    184,512.60x = 35,269,186,787.91
  5. Step 5: Solve for x
    x = 35,269,186,787.91/184,512.60
  6. Step 6: Final answer
    x = 191,147.85

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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.