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Finding the Fourth Proportional to 184,396.86, 276,480.73 and 77,725.93

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Solution

The fourth proportional to 184,396.86, 276,480.73 and 77,725.93 is: 116,540.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,396.86 : 276,480.73 = 77,725.93 : x
  2. Step 2: Convert to fraction form
    184,396.86/276,480.73 = 77,725.93/x
  3. Step 3: Cross multiply
    184,396.86x = 276,480.73 × 77,725.93
  4. Step 4: Simplify right side
    184,396.86x = 21,489,721,866.33
  5. Step 5: Solve for x
    x = 21,489,721,866.33/184,396.86
  6. Step 6: Final answer
    x = 116,540.61

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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.