Finding the Fourth Proportional to 133,163.13, 199,745.45 and 44,416.39
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Solution
The fourth proportional to 133,163.13, 199,745.45 and 44,416.39 is: 66,624.84
Step by Step Solution
- Step 1: Write the proportion equation
133,163.13 : 199,745.45 = 44,416.39 : x - Step 2: Convert to fraction form
133,163.13/199,745.45 = 44,416.39/x - Step 3: Cross multiply
133,163.13x = 199,745.45 × 44,416.39 - Step 4: Simplify right side
133,163.13x = 8,871,971,585.84 - Step 5: Solve for x
x = 8,871,971,585.84/133,163.13 - Step 6: Final answer
x = 66,624.84
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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.