Finding the Fourth Proportional to 117,006.24, 175,230.36 and 74,753.40
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Solution
The fourth proportional to 117,006.24, 175,230.36 and 74,753.40 is: 111,951.85
Step by Step Solution
- Step 1: Write the proportion equation
117,006.24 : 175,230.36 = 74,753.40 : x - Step 2: Convert to fraction form
117,006.24/175,230.36 = 74,753.40/x - Step 3: Cross multiply
117,006.24x = 175,230.36 × 74,753.40 - Step 4: Simplify right side
117,006.24x = 13,099,065,193.22 - Step 5: Solve for x
x = 13,099,065,193.22/117,006.24 - Step 6: Final answer
x = 111,951.85
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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.