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Finding the Fourth Proportional to 184,858.86, 255,105.39 and 99,975.92

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Solution

The fourth proportional to 184,858.86, 255,105.39 and 99,975.92 is: 137,966.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,858.86 : 255,105.39 = 99,975.92 : x
  2. Step 2: Convert to fraction form
    184,858.86/255,105.39 = 99,975.92/x
  3. Step 3: Cross multiply
    184,858.86x = 255,105.39 × 99,975.92
  4. Step 4: Simplify right side
    184,858.86x = 25,504,396,502.83
  5. Step 5: Solve for x
    x = 25,504,396,502.83/184,858.86
  6. Step 6: Final answer
    x = 137,966.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.