Finding the Fourth Proportional to 329,132.80, 493,716.12 and 92,493.94
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Solution
The fourth proportional to 329,132.80, 493,716.12 and 92,493.94 is: 138,745.66
Step by Step Solution
- Step 1: Write the proportion equation
329,132.80 : 493,716.12 = 92,493.94 : x - Step 2: Convert to fraction form
329,132.80/493,716.12 = 92,493.94/x - Step 3: Cross multiply
329,132.80x = 493,716.12 × 92,493.94 - Step 4: Simplify right side
329,132.80x = 45,665,749,180.31 - Step 5: Solve for x
x = 45,665,749,180.31/329,132.80 - Step 6: Final answer
x = 138,745.66
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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.