Finding the Fourth Proportional to 116,207.22, 160,382.04 and 65,222.99
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Solution
The fourth proportional to 116,207.22, 160,382.04 and 65,222.99 is: 90,016.74
Step by Step Solution
- Step 1: Write the proportion equation
116,207.22 : 160,382.04 = 65,222.99 : x - Step 2: Convert to fraction form
116,207.22/160,382.04 = 65,222.99/x - Step 3: Cross multiply
116,207.22x = 160,382.04 × 65,222.99 - Step 4: Simplify right side
116,207.22x = 10,460,595,389.19 - Step 5: Solve for x
x = 10,460,595,389.19/116,207.22 - Step 6: Final answer
x = 90,016.74
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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.