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Finding the Fourth Proportional to 198,909.96, 274,304.94 and 133,646.37

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Solution

The fourth proportional to 198,909.96, 274,304.94 and 133,646.37 is: 184,303.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,909.96 : 274,304.94 = 133,646.37 : x
  2. Step 2: Convert to fraction form
    198,909.96/274,304.94 = 133,646.37/x
  3. Step 3: Cross multiply
    198,909.96x = 274,304.94 × 133,646.37
  4. Step 4: Simplify right side
    198,909.96x = 36,659,858,835.84
  5. Step 5: Solve for x
    x = 36,659,858,835.84/198,909.96
  6. Step 6: Final answer
    x = 184,303.79

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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.