Finding the Fourth Proportional to 174,723.09, 261,902.88 and 118,568.22
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Solution
The fourth proportional to 174,723.09, 261,902.88 and 118,568.22 is: 177,728.99
Step by Step Solution
- Step 1: Write the proportion equation
174,723.09 : 261,902.88 = 118,568.22 : x - Step 2: Convert to fraction form
174,723.09/261,902.88 = 118,568.22/x - Step 3: Cross multiply
174,723.09x = 261,902.88 × 118,568.22 - Step 4: Simplify right side
174,723.09x = 31,053,358,294.47 - Step 5: Solve for x
x = 31,053,358,294.47/174,723.09 - Step 6: Final answer
x = 177,728.99
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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.