Finding the Fourth Proportional to 226,583.42, 339,883.77 and 84,464.06
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Solution
The fourth proportional to 226,583.42, 339,883.77 and 84,464.06 is: 126,699.31
Step by Step Solution
- Step 1: Write the proportion equation
226,583.42 : 339,883.77 = 84,464.06 : x - Step 2: Convert to fraction form
226,583.42/339,883.77 = 84,464.06/x - Step 3: Cross multiply
226,583.42x = 339,883.77 × 84,464.06 - Step 4: Simplify right side
226,583.42x = 28,707,963,142.31 - Step 5: Solve for x
x = 28,707,963,142.31/226,583.42 - Step 6: Final answer
x = 126,699.31
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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.