Finding the Fourth Proportional to 202,958.20, 304,437.30 and 124,031.80
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Solution
The fourth proportional to 202,958.20, 304,437.30 and 124,031.80 is: 186,047.70
Step by Step Solution
- Step 1: Write the proportion equation
202,958.20 : 304,437.30 = 124,031.80 : x - Step 2: Convert to fraction form
202,958.20/304,437.30 = 124,031.80/x - Step 3: Cross multiply
202,958.20x = 304,437.30 × 124,031.80 - Step 4: Simplify right side
202,958.20x = 37,759,906,306.14 - Step 5: Solve for x
x = 37,759,906,306.14/202,958.20 - Step 6: Final answer
x = 186,047.70
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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.