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Finding the Fourth Proportional to 198,807.66, 274,520.11 and 184,383.48

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Solution

The fourth proportional to 198,807.66, 274,520.11 and 184,383.48 is: 254,602.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,807.66 : 274,520.11 = 184,383.48 : x
  2. Step 2: Convert to fraction form
    198,807.66/274,520.11 = 184,383.48/x
  3. Step 3: Cross multiply
    198,807.66x = 274,520.11 × 184,383.48
  4. Step 4: Simplify right side
    198,807.66x = 50,616,970,917.26
  5. Step 5: Solve for x
    x = 50,616,970,917.26/198,807.66
  6. Step 6: Final answer
    x = 254,602.73

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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.