Finding the Fourth Proportional to 98,467.80, 147,701.70 and 32,803.80
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Solution
The fourth proportional to 98,467.80, 147,701.70 and 32,803.80 is: 49,205.70
Step by Step Solution
- Step 1: Write the proportion equation
98,467.80 : 147,701.70 = 32,803.80 : x - Step 2: Convert to fraction form
98,467.80/147,701.70 = 32,803.80/x - Step 3: Cross multiply
98,467.80x = 147,701.70 × 32,803.80 - Step 4: Simplify right side
98,467.80x = 4,845,177,026.46 - Step 5: Solve for x
x = 4,845,177,026.46/98,467.80 - Step 6: Final answer
x = 49,205.70
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1.5x scale
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.