Finding the Fourth Proportional to 120,961.14, 166,932.08 and 67,247.06
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Solution
The fourth proportional to 120,961.14, 166,932.08 and 67,247.06 is: 92,804.12
Step by Step Solution
- Step 1: Write the proportion equation
120,961.14 : 166,932.08 = 67,247.06 : x - Step 2: Convert to fraction form
120,961.14/166,932.08 = 67,247.06/x - Step 3: Cross multiply
120,961.14x = 166,932.08 × 67,247.06 - Step 4: Simplify right side
120,961.14x = 11,225,691,599.68 - Step 5: Solve for x
x = 11,225,691,599.68/120,961.14 - Step 6: Final answer
x = 92,804.12
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1.5x scale
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.