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Finding the Fourth Proportional to 184,735.75, 276,936.85 and 66,379.40

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Solution

The fourth proportional to 184,735.75, 276,936.85 and 66,379.40 is: 99,509.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,735.75 : 276,936.85 = 66,379.40 : x
  2. Step 2: Convert to fraction form
    184,735.75/276,936.85 = 66,379.40/x
  3. Step 3: Cross multiply
    184,735.75x = 276,936.85 × 66,379.40
  4. Step 4: Simplify right side
    184,735.75x = 18,382,901,940.89
  5. Step 5: Solve for x
    x = 18,382,901,940.89/184,735.75
  6. Step 6: Final answer
    x = 99,509.17

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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.