Finding the Fourth Proportional to 117,408.86, 176,103.93 and 33,165.62
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Solution
The fourth proportional to 117,408.86, 176,103.93 and 33,165.62 is: 49,745.79
Step by Step Solution
- Step 1: Write the proportion equation
117,408.86 : 176,103.93 = 33,165.62 : x - Step 2: Convert to fraction form
117,408.86/176,103.93 = 33,165.62/x - Step 3: Cross multiply
117,408.86x = 176,103.93 × 33,165.62 - Step 4: Simplify right side
117,408.86x = 5,840,595,927.13 - Step 5: Solve for x
x = 5,840,595,927.13/117,408.86 - Step 6: Final answer
x = 49,745.79
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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.