Finding the Fourth Proportional to 299,194.21, 448,476.26 and 99,460.99
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Solution
The fourth proportional to 299,194.21, 448,476.26 and 99,460.99 is: 149,086.75
Step by Step Solution
- Step 1: Write the proportion equation
299,194.21 : 448,476.26 = 99,460.99 : x - Step 2: Convert to fraction form
299,194.21/448,476.26 = 99,460.99/x - Step 3: Cross multiply
299,194.21x = 448,476.26 × 99,460.99 - Step 4: Simplify right side
299,194.21x = 44,605,892,811.10 - Step 5: Solve for x
x = 44,605,892,811.10/299,194.21 - Step 6: Final answer
x = 149,086.75
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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.