Finding the Fourth Proportional to 110,685, 152,745.30 and 65,973
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Solution
The fourth proportional to 110,685, 152,745.30 and 65,973 is: 91,042.74
Step by Step Solution
- Step 1: Write the proportion equation
110,685 : 152,745.30 = 65,973 : x - Step 2: Convert to fraction form
110,685/152,745.30 = 65,973/x - Step 3: Cross multiply
110,685x = 152,745.30 × 65,973 - Step 4: Simplify right side
110,685x = 10,077,065,676.90 - Step 5: Solve for x
x = 10,077,065,676.90/110,685 - Step 6: Final answer
x = 91,042.74
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.