Finding the Fourth Proportional to 168,685.26, 232,785.70 and 93,233.76
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Solution
The fourth proportional to 168,685.26, 232,785.70 and 93,233.76 is: 128,662.61
Step by Step Solution
- Step 1: Write the proportion equation
168,685.26 : 232,785.70 = 93,233.76 : x - Step 2: Convert to fraction form
168,685.26/232,785.70 = 93,233.76/x - Step 3: Cross multiply
168,685.26x = 232,785.70 × 93,233.76 - Step 4: Simplify right side
168,685.26x = 21,703,486,085.23 - Step 5: Solve for x
x = 21,703,486,085.23/168,685.26 - Step 6: Final answer
x = 128,662.61
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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.