Finding the Fourth Proportional to 116,794.24, 160,986.75 and 91,256.06
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Solution
The fourth proportional to 116,794.24, 160,986.75 and 91,256.06 is: 125,785.45
Step by Step Solution
- Step 1: Write the proportion equation
116,794.24 : 160,986.75 = 91,256.06 : x - Step 2: Convert to fraction form
116,794.24/160,986.75 = 91,256.06/x - Step 3: Cross multiply
116,794.24x = 160,986.75 × 91,256.06 - Step 4: Simplify right side
116,794.24x = 14,691,016,517.21 - Step 5: Solve for x
x = 14,691,016,517.21/116,794.24 - Step 6: Final answer
x = 125,785.45
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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.