Finding the Fourth Proportional to 111,274.08, 166,938.48 and 32,388.99
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Solution
The fourth proportional to 111,274.08, 166,938.48 and 32,388.99 is: 48,591.45
Step by Step Solution
- Step 1: Write the proportion equation
111,274.08 : 166,938.48 = 32,388.99 : x - Step 2: Convert to fraction form
111,274.08/166,938.48 = 32,388.99/x - Step 3: Cross multiply
111,274.08x = 166,938.48 × 32,388.99 - Step 4: Simplify right side
111,274.08x = 5,406,968,759.34 - Step 5: Solve for x
x = 5,406,968,759.34/111,274.08 - Step 6: Final answer
x = 48,591.45
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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.