Finding the Fourth Proportional to 363,551.12, 545,575.70 and 126,893.79
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Solution
The fourth proportional to 363,551.12, 545,575.70 and 126,893.79 is: 190,427.60
Step by Step Solution
- Step 1: Write the proportion equation
363,551.12 : 545,575.70 = 126,893.79 : x - Step 2: Convert to fraction form
363,551.12/545,575.70 = 126,893.79/x - Step 3: Cross multiply
363,551.12x = 545,575.70 × 126,893.79 - Step 4: Simplify right side
363,551.12x = 69,230,168,622.14 - Step 5: Solve for x
x = 69,230,168,622.14/363,551.12 - Step 6: Final answer
x = 190,427.60
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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.