Finding the Fourth Proportional to 109,174.08, 163,651.80 and 46,009.44
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Solution
The fourth proportional to 109,174.08, 163,651.80 and 46,009.44 is: 68,968.09
Step by Step Solution
- Step 1: Write the proportion equation
109,174.08 : 163,651.80 = 46,009.44 : x - Step 2: Convert to fraction form
109,174.08/163,651.80 = 46,009.44/x - Step 3: Cross multiply
109,174.08x = 163,651.80 × 46,009.44 - Step 4: Simplify right side
109,174.08x = 7,529,527,672.99 - Step 5: Solve for x
x = 7,529,527,672.99/109,174.08 - Step 6: Final answer
x = 68,968.09
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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.