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Finding the Fourth Proportional to 133,481.87, 184,186.80 and 79,755.53

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Solution

The fourth proportional to 133,481.87, 184,186.80 and 79,755.53 is: 110,051.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,481.87 : 184,186.80 = 79,755.53 : x
  2. Step 2: Convert to fraction form
    133,481.87/184,186.80 = 79,755.53/x
  3. Step 3: Cross multiply
    133,481.87x = 184,186.80 × 79,755.53
  4. Step 4: Simplify right side
    133,481.87x = 14,689,915,853.00
  5. Step 5: Solve for x
    x = 14,689,915,853.00/133,481.87
  6. Step 6: Final answer
    x = 110,051.77

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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.