Finding the Fourth Proportional to 135,609.26, 187,293.98 and 92,514.76
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Solution
The fourth proportional to 135,609.26, 187,293.98 and 92,514.76 is: 127,774.89
Step by Step Solution
- Step 1: Write the proportion equation
135,609.26 : 187,293.98 = 92,514.76 : x - Step 2: Convert to fraction form
135,609.26/187,293.98 = 92,514.76/x - Step 3: Cross multiply
135,609.26x = 187,293.98 × 92,514.76 - Step 4: Simplify right side
135,609.26x = 17,327,457,609.14 - Step 5: Solve for x
x = 17,327,457,609.14/135,609.26 - Step 6: Final answer
x = 127,774.89
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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.