Finding the Fourth Proportional to 365,424.74, 548,136.84 and 99,224.31
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Solution
The fourth proportional to 365,424.74, 548,136.84 and 99,224.31 is: 148,836.39
Step by Step Solution
- Step 1: Write the proportion equation
365,424.74 : 548,136.84 = 99,224.31 : x - Step 2: Convert to fraction form
365,424.74/548,136.84 = 99,224.31/x - Step 3: Cross multiply
365,424.74x = 548,136.84 × 99,224.31 - Step 4: Simplify right side
365,424.74x = 54,388,499,734.58 - Step 5: Solve for x
x = 54,388,499,734.58/365,424.74 - Step 6: Final answer
x = 148,836.39
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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.