Finding the Fourth Proportional to 163,672.41, 245,508.84 and 51,361.23
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Solution
The fourth proportional to 163,672.41, 245,508.84 and 51,361.23 is: 77,041.92
Step by Step Solution
- Step 1: Write the proportion equation
163,672.41 : 245,508.84 = 51,361.23 : x - Step 2: Convert to fraction form
163,672.41/245,508.84 = 51,361.23/x - Step 3: Cross multiply
163,672.41x = 245,508.84 × 51,361.23 - Step 4: Simplify right side
163,672.41x = 12,609,635,998.27 - Step 5: Solve for x
x = 12,609,635,998.27/163,672.41 - Step 6: Final answer
x = 77,041.92
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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.