Finding the Fourth Proportional to 107,409.44, 161,176.64 and 44,235.92
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Solution
The fourth proportional to 107,409.44, 161,176.64 and 44,235.92 is: 66,379.61
Step by Step Solution
- Step 1: Write the proportion equation
107,409.44 : 161,176.64 = 44,235.92 : x - Step 2: Convert to fraction form
107,409.44/161,176.64 = 44,235.92/x - Step 3: Cross multiply
107,409.44x = 161,176.64 × 44,235.92 - Step 4: Simplify right side
107,409.44x = 7,129,797,134.67 - Step 5: Solve for x
x = 7,129,797,134.67/107,409.44 - Step 6: Final answer
x = 66,379.61
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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.