Finding the Fourth Proportional to 299,074.09, 448,223.62 and 121,484.23
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Solution
The fourth proportional to 299,074.09, 448,223.62 and 121,484.23 is: 182,068.94
Step by Step Solution
- Step 1: Write the proportion equation
299,074.09 : 448,223.62 = 121,484.23 : x - Step 2: Convert to fraction form
299,074.09/448,223.62 = 121,484.23/x - Step 3: Cross multiply
299,074.09x = 448,223.62 × 121,484.23 - Step 4: Simplify right side
299,074.09x = 54,452,101,343.51 - Step 5: Solve for x
x = 54,452,101,343.51/299,074.09 - Step 6: Final answer
x = 182,068.94
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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.