Finding the Fourth Proportional to 116,584.96, 160,864.32 and 68,853.28
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Solution
The fourth proportional to 116,584.96, 160,864.32 and 68,853.28 is: 95,003.99
Step by Step Solution
- Step 1: Write the proportion equation
116,584.96 : 160,864.32 = 68,853.28 : x - Step 2: Convert to fraction form
116,584.96/160,864.32 = 68,853.28/x - Step 3: Cross multiply
116,584.96x = 160,864.32 × 68,853.28 - Step 4: Simplify right side
116,584.96x = 11,076,036,066.97 - Step 5: Solve for x
x = 11,076,036,066.97/116,584.96 - Step 6: Final answer
x = 95,003.99
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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.