Finding the Fourth Proportional to 117,289.53, 175,934.21 and 47,152.44
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Solution
The fourth proportional to 117,289.53, 175,934.21 and 47,152.44 is: 70,728.62
Step by Step Solution
- Step 1: Write the proportion equation
117,289.53 : 175,934.21 = 47,152.44 : x - Step 2: Convert to fraction form
117,289.53/175,934.21 = 47,152.44/x - Step 3: Cross multiply
117,289.53x = 175,934.21 × 47,152.44 - Step 4: Simplify right side
117,289.53x = 8,295,727,045.21 - Step 5: Solve for x
x = 8,295,727,045.21/117,289.53 - Step 6: Final answer
x = 70,728.62
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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.