Finding the Fourth Proportional to 101,523.44, 152,184.76 and 48,121.65
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Solution
The fourth proportional to 101,523.44, 152,184.76 and 48,121.65 is: 72,134.88
Step by Step Solution
- Step 1: Write the proportion equation
101,523.44 : 152,184.76 = 48,121.65 : x - Step 2: Convert to fraction form
101,523.44/152,184.76 = 48,121.65/x - Step 3: Cross multiply
101,523.44x = 152,184.76 × 48,121.65 - Step 4: Simplify right side
101,523.44x = 7,323,381,635.75 - Step 5: Solve for x
x = 7,323,381,635.75/101,523.44 - Step 6: Final answer
x = 72,134.88
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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.