Finding the Fourth Proportional to 363,691.36, 545,524.29 and 110,961.64
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Solution
The fourth proportional to 363,691.36, 545,524.29 and 110,961.64 is: 166,438.57
Step by Step Solution
- Step 1: Write the proportion equation
363,691.36 : 545,524.29 = 110,961.64 : x - Step 2: Convert to fraction form
363,691.36/545,524.29 = 110,961.64/x - Step 3: Cross multiply
363,691.36x = 545,524.29 × 110,961.64 - Step 4: Simplify right side
363,691.36x = 60,532,269,878.24 - Step 5: Solve for x
x = 60,532,269,878.24/363,691.36 - Step 6: Final answer
x = 166,438.57
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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.