Finding the Fourth Proportional to 299,418.14, 449,125.94 and 121,883.06
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Solution
The fourth proportional to 299,418.14, 449,125.94 and 121,883.06 is: 182,824.07
Step by Step Solution
- Step 1: Write the proportion equation
299,418.14 : 449,125.94 = 121,883.06 : x - Step 2: Convert to fraction form
299,418.14/449,125.94 = 121,883.06/x - Step 3: Cross multiply
299,418.14x = 449,125.94 × 121,883.06 - Step 4: Simplify right side
299,418.14x = 54,740,843,892.58 - Step 5: Solve for x
x = 54,740,843,892.58/299,418.14 - Step 6: Final answer
x = 182,824.07
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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.