Finding the Fourth Proportional to 163,240.92, 244,936.71 and 74,521.62
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Solution
The fourth proportional to 163,240.92, 244,936.71 and 74,521.62 is: 111,816.82
Step by Step Solution
- Step 1: Write the proportion equation
163,240.92 : 244,936.71 = 74,521.62 : x - Step 2: Convert to fraction form
163,240.92/244,936.71 = 74,521.62/x - Step 3: Cross multiply
163,240.92x = 244,936.71 × 74,521.62 - Step 4: Simplify right side
163,240.92x = 18,253,080,426.67 - Step 5: Solve for x
x = 18,253,080,426.67/163,240.92 - Step 6: Final answer
x = 111,816.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.