Finding the Fourth Proportional to 110,956.55, 166,431.18 and 44,378.80
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Solution
The fourth proportional to 110,956.55, 166,431.18 and 44,378.80 is: 66,566.75
Step by Step Solution
- Step 1: Write the proportion equation
110,956.55 : 166,431.18 = 44,378.80 : x - Step 2: Convert to fraction form
110,956.55/166,431.18 = 44,378.80/x - Step 3: Cross multiply
110,956.55x = 166,431.18 × 44,378.80 - Step 4: Simplify right side
110,956.55x = 7,386,016,467.06 - Step 5: Solve for x
x = 7,386,016,467.06/110,956.55 - Step 6: Final answer
x = 66,566.75
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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.