Finding the Fourth Proportional to 116,785.26, 161,163.84 and 66,484.26
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Solution
The fourth proportional to 116,785.26, 161,163.84 and 66,484.26 is: 91,748.38
Step by Step Solution
- Step 1: Write the proportion equation
116,785.26 : 161,163.84 = 66,484.26 : x - Step 2: Convert to fraction form
116,785.26/161,163.84 = 66,484.26/x - Step 3: Cross multiply
116,785.26x = 161,163.84 × 66,484.26 - Step 4: Simplify right side
116,785.26x = 10,714,858,641.16 - Step 5: Solve for x
x = 10,714,858,641.16/116,785.26 - Step 6: Final answer
x = 91,748.38
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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.