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Finding the Fourth Proportional to 198,366.72, 273,342.72 and 184,368.64

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Solution

The fourth proportional to 198,366.72, 273,342.72 and 184,368.64 is: 254,053.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,366.72 : 273,342.72 = 184,368.64 : x
  2. Step 2: Convert to fraction form
    198,366.72/273,342.72 = 184,368.64/x
  3. Step 3: Cross multiply
    198,366.72x = 273,342.72 × 184,368.64
  4. Step 4: Simplify right side
    198,366.72x = 50,395,825,540.30
  5. Step 5: Solve for x
    x = 50,395,825,540.30/198,366.72
  6. Step 6: Final answer
    x = 254,053.83

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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.