Finding the Fourth Proportional to 135,884.05, 203,862.22 and 47,137.41
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Solution
The fourth proportional to 135,884.05, 203,862.22 and 47,137.41 is: 70,718.65
Step by Step Solution
- Step 1: Write the proportion equation
135,884.05 : 203,862.22 = 47,137.41 : x - Step 2: Convert to fraction form
135,884.05/203,862.22 = 47,137.41/x - Step 3: Cross multiply
135,884.05x = 203,862.22 × 47,137.41 - Step 4: Simplify right side
135,884.05x = 9,609,536,811.96 - Step 5: Solve for x
x = 9,609,536,811.96/135,884.05 - Step 6: Final answer
x = 70,718.65
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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.