Finding the Fourth Proportional to 212,502.92, 293,260.48 and 117,013.03
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Solution
The fourth proportional to 212,502.92, 293,260.48 and 117,013.03 is: 161,481.53
Step by Step Solution
- Step 1: Write the proportion equation
212,502.92 : 293,260.48 = 117,013.03 : x - Step 2: Convert to fraction form
212,502.92/293,260.48 = 117,013.03/x - Step 3: Cross multiply
212,502.92x = 293,260.48 × 117,013.03 - Step 4: Simplify right side
212,502.92x = 34,315,297,344.05 - Step 5: Solve for x
x = 34,315,297,344.05/212,502.92 - Step 6: Final answer
x = 161,481.53
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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.