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Finding the Fourth Proportional to 133,692.57, 184,490.46 and 79,945.56

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Solution

The fourth proportional to 133,692.57, 184,490.46 and 79,945.56 is: 110,321.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,692.57 : 184,490.46 = 79,945.56 : x
  2. Step 2: Convert to fraction form
    133,692.57/184,490.46 = 79,945.56/x
  3. Step 3: Cross multiply
    133,692.57x = 184,490.46 × 79,945.56
  4. Step 4: Simplify right side
    133,692.57x = 14,749,193,139.36
  5. Step 5: Solve for x
    x = 14,749,193,139.36/133,692.57
  6. Step 6: Final answer
    x = 110,321.71

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1.5x scale

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.