Finding the Fourth Proportional to 120,460.11, 166,232.49 and 66,744.96
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Solution
The fourth proportional to 120,460.11, 166,232.49 and 66,744.96 is: 92,106.68
Step by Step Solution
- Step 1: Write the proportion equation
120,460.11 : 166,232.49 = 66,744.96 : x - Step 2: Convert to fraction form
120,460.11/166,232.49 = 66,744.96/x - Step 3: Cross multiply
120,460.11x = 166,232.49 × 66,744.96 - Step 4: Simplify right side
120,460.11x = 11,095,180,895.75 - Step 5: Solve for x
x = 11,095,180,895.75/120,460.11 - Step 6: Final answer
x = 92,106.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.