Finding the Fourth Proportional to 122,832.05, 184,245.99 and 55,326.53
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Solution
The fourth proportional to 122,832.05, 184,245.99 and 55,326.53 is: 82,988.85
Step by Step Solution
- Step 1: Write the proportion equation
122,832.05 : 184,245.99 = 55,326.53 : x - Step 2: Convert to fraction form
122,832.05/184,245.99 = 55,326.53/x - Step 3: Cross multiply
122,832.05x = 184,245.99 × 55,326.53 - Step 4: Simplify right side
122,832.05x = 10,193,690,371.88 - Step 5: Solve for x
x = 10,193,690,371.88/122,832.05 - Step 6: Final answer
x = 82,988.85
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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.