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Finding the Fourth Proportional to 184,786.94, 255,004.85 and 99,903.80

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Solution

The fourth proportional to 184,786.94, 255,004.85 and 99,903.80 is: 137,866.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,786.94 : 255,004.85 = 99,903.80 : x
  2. Step 2: Convert to fraction form
    184,786.94/255,004.85 = 99,903.80/x
  3. Step 3: Cross multiply
    184,786.94x = 255,004.85 × 99,903.80
  4. Step 4: Simplify right side
    184,786.94x = 25,475,951,758.89
  5. Step 5: Solve for x
    x = 25,475,951,758.89/184,786.94
  6. Step 6: Final answer
    x = 137,866.63

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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.