Finding the Fourth Proportional to 170,117.36, 234,760.12 and 93,634.81
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Solution
The fourth proportional to 170,117.36, 234,760.12 and 93,634.81 is: 129,215.03
Step by Step Solution
- Step 1: Write the proportion equation
170,117.36 : 234,760.12 = 93,634.81 : x - Step 2: Convert to fraction form
170,117.36/234,760.12 = 93,634.81/x - Step 3: Cross multiply
170,117.36x = 234,760.12 × 93,634.81 - Step 4: Simplify right side
170,117.36x = 21,981,719,597.75 - Step 5: Solve for x
x = 21,981,719,597.75/170,117.36 - Step 6: Final answer
x = 129,215.03
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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.