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Finding the Fourth Proportional to 133,554, 184,310.60 and 73,938

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Solution

The fourth proportional to 133,554, 184,310.60 and 73,938 is: 102,037.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,554 : 184,310.60 = 73,938 : x
  2. Step 2: Convert to fraction form
    133,554/184,310.60 = 73,938/x
  3. Step 3: Cross multiply
    133,554x = 184,310.60 × 73,938
  4. Step 4: Simplify right side
    133,554x = 13,627,557,142.80
  5. Step 5: Solve for x
    x = 13,627,557,142.80/133,554
  6. Step 6: Final answer
    x = 102,037.81

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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.