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Finding the Fourth Proportional to 184,781.91, 254,999.34 and 99,898.97

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Solution

The fourth proportional to 184,781.91, 254,999.34 and 99,898.97 is: 137,860.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,781.91 : 254,999.34 = 99,898.97 : x
  2. Step 2: Convert to fraction form
    184,781.91/254,999.34 = 99,898.97/x
  3. Step 3: Cross multiply
    184,781.91x = 254,999.34 × 99,898.97
  4. Step 4: Simplify right side
    184,781.91x = 25,474,171,576.05
  5. Step 5: Solve for x
    x = 25,474,171,576.05/184,781.91
  6. Step 6: Final answer
    x = 137,860.75

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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.