Finding the Fourth Proportional to 168,639.66, 232,726.07 and 92,163.49
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Solution
The fourth proportional to 168,639.66, 232,726.07 and 92,163.49 is: 127,187.44
Step by Step Solution
- Step 1: Write the proportion equation
168,639.66 : 232,726.07 = 92,163.49 : x - Step 2: Convert to fraction form
168,639.66/232,726.07 = 92,163.49/x - Step 3: Cross multiply
168,639.66x = 232,726.07 × 92,163.49 - Step 4: Simplify right side
168,639.66x = 21,448,846,825.18 - Step 5: Solve for x
x = 21,448,846,825.18/168,639.66 - Step 6: Final answer
x = 127,187.44
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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.