Finding the Fourth Proportional to 194,849.81, 292,283.24 and 61,739.88
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Solution
The fourth proportional to 194,849.81, 292,283.24 and 61,739.88 is: 92,612.52
Step by Step Solution
- Step 1: Write the proportion equation
194,849.81 : 292,283.24 = 61,739.88 : x - Step 2: Convert to fraction form
194,849.81/292,283.24 = 61,739.88/x - Step 3: Cross multiply
194,849.81x = 292,283.24 × 61,739.88 - Step 4: Simplify right side
194,849.81x = 18,045,531,854.91 - Step 5: Solve for x
x = 18,045,531,854.91/194,849.81 - Step 6: Final answer
x = 92,612.52
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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.