Finding the Fourth Proportional to 274,674.75, 412,014.69 and 97,211.85
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Solution
The fourth proportional to 274,674.75, 412,014.69 and 97,211.85 is: 145,818.68
Step by Step Solution
- Step 1: Write the proportion equation
274,674.75 : 412,014.69 = 97,211.85 : x - Step 2: Convert to fraction form
274,674.75/412,014.69 = 97,211.85/x - Step 3: Cross multiply
274,674.75x = 412,014.69 × 97,211.85 - Step 4: Simplify right side
274,674.75x = 40,052,710,242.08 - Step 5: Solve for x
x = 40,052,710,242.08/274,674.75 - Step 6: Final answer
x = 145,818.68
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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.