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Finding the Fourth Proportional to 133,372.44, 184,051.44 and 72,939.96

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Solution

The fourth proportional to 133,372.44, 184,051.44 and 72,939.96 is: 100,655.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,372.44 : 184,051.44 = 72,939.96 : x
  2. Step 2: Convert to fraction form
    133,372.44/184,051.44 = 72,939.96/x
  3. Step 3: Cross multiply
    133,372.44x = 184,051.44 × 72,939.96
  4. Step 4: Simplify right side
    133,372.44x = 13,424,704,671.54
  5. Step 5: Solve for x
    x = 13,424,704,671.54/133,372.44
  6. Step 6: Final answer
    x = 100,655.76

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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.