Finding the Fourth Proportional to 116,716.28, 160,843.74 and 84,834.68
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Solution
The fourth proportional to 116,716.28, 160,843.74 and 84,834.68 is: 116,908.52
Step by Step Solution
- Step 1: Write the proportion equation
116,716.28 : 160,843.74 = 84,834.68 : x - Step 2: Convert to fraction form
116,716.28/160,843.74 = 84,834.68/x - Step 3: Cross multiply
116,716.28x = 160,843.74 × 84,834.68 - Step 4: Simplify right side
116,716.28x = 13,645,127,212.90 - Step 5: Solve for x
x = 13,645,127,212.90/116,716.28 - Step 6: Final answer
x = 116,908.52
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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.