Finding the Fourth Proportional to 141,742.62, 212,646.60 and 46,968.84
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Solution
The fourth proportional to 141,742.62, 212,646.60 and 46,968.84 is: 70,464.09
Step by Step Solution
- Step 1: Write the proportion equation
141,742.62 : 212,646.60 = 46,968.84 : x - Step 2: Convert to fraction form
141,742.62/212,646.60 = 46,968.84/x - Step 3: Cross multiply
141,742.62x = 212,646.60 × 46,968.84 - Step 4: Simplify right side
141,742.62x = 9,987,764,131.94 - Step 5: Solve for x
x = 9,987,764,131.94/141,742.62 - Step 6: Final answer
x = 70,464.09
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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.