Finding the Fourth Proportional to 242,717.92, 364,078.70 and 74,241.26
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Solution
The fourth proportional to 242,717.92, 364,078.70 and 74,241.26 is: 111,362.45
Step by Step Solution
- Step 1: Write the proportion equation
242,717.92 : 364,078.70 = 74,241.26 : x - Step 2: Convert to fraction form
242,717.92/364,078.70 = 74,241.26/x - Step 3: Cross multiply
242,717.92x = 364,078.70 × 74,241.26 - Step 4: Simplify right side
242,717.92x = 27,029,660,879.26 - Step 5: Solve for x
x = 27,029,660,879.26/242,717.92 - Step 6: Final answer
x = 111,362.45
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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.