Finding the Fourth Proportional to 298,935.20, 448,305.24 and 99,201.94
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Solution
The fourth proportional to 298,935.20, 448,305.24 and 99,201.94 is: 148,770.53
Step by Step Solution
- Step 1: Write the proportion equation
298,935.20 : 448,305.24 = 99,201.94 : x - Step 2: Convert to fraction form
298,935.20/448,305.24 = 99,201.94/x - Step 3: Cross multiply
298,935.20x = 448,305.24 × 99,201.94 - Step 4: Simplify right side
298,935.20x = 44,472,749,520.17 - Step 5: Solve for x
x = 44,472,749,520.17/298,935.20 - Step 6: Final answer
x = 148,770.53
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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.