Finding the Fourth Proportional to 132,482.68, 198,741.12 and 48,229.96
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Solution
The fourth proportional to 132,482.68, 198,741.12 and 48,229.96 is: 72,351.17
Step by Step Solution
- Step 1: Write the proportion equation
132,482.68 : 198,741.12 = 48,229.96 : x - Step 2: Convert to fraction form
132,482.68/198,741.12 = 48,229.96/x - Step 3: Cross multiply
132,482.68x = 198,741.12 × 48,229.96 - Step 4: Simplify right side
132,482.68x = 9,585,276,267.96 - Step 5: Solve for x
x = 9,585,276,267.96/132,482.68 - Step 6: Final answer
x = 72,351.17
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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.