Finding the Fourth Proportional to 94,694.22, 141,905.97 and 69,536.88
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Solution
The fourth proportional to 94,694.22, 141,905.97 and 69,536.88 is: 104,205.92
Step by Step Solution
- Step 1: Write the proportion equation
94,694.22 : 141,905.97 = 69,536.88 : x - Step 2: Convert to fraction form
94,694.22/141,905.97 = 69,536.88/x - Step 3: Cross multiply
94,694.22x = 141,905.97 × 69,536.88 - Step 4: Simplify right side
94,694.22x = 9,867,698,407.17 - Step 5: Solve for x
x = 9,867,698,407.17/94,694.22 - Step 6: Final answer
x = 104,205.92
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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.