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Finding the Fourth Proportional to 184,611.75, 254,764.22 and 99,728.82

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Solution

The fourth proportional to 184,611.75, 254,764.22 and 99,728.82 is: 137,625.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,611.75 : 254,764.22 = 99,728.82 : x
  2. Step 2: Convert to fraction form
    184,611.75/254,764.22 = 99,728.82/x
  3. Step 3: Cross multiply
    184,611.75x = 254,764.22 × 99,728.82
  4. Step 4: Simplify right side
    184,611.75x = 25,407,334,540.18
  5. Step 5: Solve for x
    x = 25,407,334,540.18/184,611.75
  6. Step 6: Final answer
    x = 137,625.77

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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.