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Finding the Fourth Proportional to 133,480.87, 184,185.42 and 79,754.53

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Solution

The fourth proportional to 133,480.87, 184,185.42 and 79,754.53 is: 110,050.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,480.87 : 184,185.42 = 79,754.53 : x
  2. Step 2: Convert to fraction form
    133,480.87/184,185.42 = 79,754.53/x
  3. Step 3: Cross multiply
    133,480.87x = 184,185.42 × 79,754.53
  4. Step 4: Simplify right side
    133,480.87x = 14,689,621,604.95
  5. Step 5: Solve for x
    x = 14,689,621,604.95/133,480.87
  6. Step 6: Final answer
    x = 110,050.39

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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.