Finding the Fourth Proportional to 181,729.68, 272,573.78 and 48,620.20
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Solution
The fourth proportional to 181,729.68, 272,573.78 and 48,620.20 is: 72,924.75
Step by Step Solution
- Step 1: Write the proportion equation
181,729.68 : 272,573.78 = 48,620.20 : x - Step 2: Convert to fraction form
181,729.68/272,573.78 = 48,620.20/x - Step 3: Cross multiply
181,729.68x = 272,573.78 × 48,620.20 - Step 4: Simplify right side
181,729.68x = 13,252,591,695.13 - Step 5: Solve for x
x = 13,252,591,695.13/181,729.68 - Step 6: Final answer
x = 72,924.75
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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.