Finding the Fourth Proportional to 133,240.89, 199,964.97 and 92,998.44
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Solution
The fourth proportional to 133,240.89, 199,964.97 and 92,998.44 is: 139,569.99
Step by Step Solution
- Step 1: Write the proportion equation
133,240.89 : 199,964.97 = 92,998.44 : x - Step 2: Convert to fraction form
133,240.89/199,964.97 = 92,998.44/x - Step 3: Cross multiply
133,240.89x = 199,964.97 × 92,998.44 - Step 4: Simplify right side
133,240.89x = 18,596,429,514.78 - Step 5: Solve for x
x = 18,596,429,514.78/133,240.89 - Step 6: Final answer
x = 139,569.99
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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.