Finding the Fourth Proportional to 211,771.41, 292,249.26 and 116,278.49
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Solution
The fourth proportional to 211,771.41, 292,249.26 and 116,278.49 is: 160,466.90
Step by Step Solution
- Step 1: Write the proportion equation
211,771.41 : 292,249.26 = 116,278.49 : x - Step 2: Convert to fraction form
211,771.41/292,249.26 = 116,278.49/x - Step 3: Cross multiply
211,771.41x = 292,249.26 × 116,278.49 - Step 4: Simplify right side
211,771.41x = 33,982,301,195.17 - Step 5: Solve for x
x = 33,982,301,195.17/211,771.41 - Step 6: Final answer
x = 160,466.90
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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.