Finding the Fourth Proportional to 122,997.22, 184,542.30 and 48,170.84
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Solution
The fourth proportional to 122,997.22, 184,542.30 and 48,170.84 is: 72,274.45
Step by Step Solution
- Step 1: Write the proportion equation
122,997.22 : 184,542.30 = 48,170.84 : x - Step 2: Convert to fraction form
122,997.22/184,542.30 = 48,170.84/x - Step 3: Cross multiply
122,997.22x = 184,542.30 × 48,170.84 - Step 4: Simplify right side
122,997.22x = 8,889,556,683.82 - Step 5: Solve for x
x = 8,889,556,683.82/122,997.22 - Step 6: Final answer
x = 72,274.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.