Finding the Fourth Proportional to 132,182.62, 182,335.66 and 84,382.09
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Solution
The fourth proportional to 132,182.62, 182,335.66 and 84,382.09 is: 116,398.54
Step by Step Solution
- Step 1: Write the proportion equation
132,182.62 : 182,335.66 = 84,382.09 : x - Step 2: Convert to fraction form
132,182.62/182,335.66 = 84,382.09/x - Step 3: Cross multiply
132,182.62x = 182,335.66 × 84,382.09 - Step 4: Simplify right side
132,182.62x = 15,385,863,405.54 - Step 5: Solve for x
x = 15,385,863,405.54/132,182.62 - Step 6: Final answer
x = 116,398.54
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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.