Finding the Fourth Proportional to 80,492.17, 120,726.63 and 27,174.48
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Solution
The fourth proportional to 80,492.17, 120,726.63 and 27,174.48 is: 40,757.80
Step by Step Solution
- Step 1: Write the proportion equation
80,492.17 : 120,726.63 = 27,174.48 : x - Step 2: Convert to fraction form
80,492.17/120,726.63 = 27,174.48/x - Step 3: Cross multiply
80,492.17x = 120,726.63 × 27,174.48 - Step 4: Simplify right side
80,492.17x = 3,280,683,392.40 - Step 5: Solve for x
x = 3,280,683,392.40/80,492.17 - Step 6: Final answer
x = 40,757.80
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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.