Finding the Fourth Proportional to 181,679.62, 272,508.21 and 67,805.26
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Solution
The fourth proportional to 181,679.62, 272,508.21 and 67,805.26 is: 101,703.70
Step by Step Solution
- Step 1: Write the proportion equation
181,679.62 : 272,508.21 = 67,805.26 : x - Step 2: Convert to fraction form
181,679.62/272,508.21 = 67,805.26/x - Step 3: Cross multiply
181,679.62x = 272,508.21 × 67,805.26 - Step 4: Simplify right side
181,679.62x = 18,477,490,031.18 - Step 5: Solve for x
x = 18,477,490,031.18/181,679.62 - Step 6: Final answer
x = 101,703.70
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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.