Finding the Fourth Proportional to 107,138.93, 160,763.06 and 44,007.53
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Solution
The fourth proportional to 107,138.93, 160,763.06 and 44,007.53 is: 66,033.75
Step by Step Solution
- Step 1: Write the proportion equation
107,138.93 : 160,763.06 = 44,007.53 : x - Step 2: Convert to fraction form
107,138.93/160,763.06 = 44,007.53/x - Step 3: Cross multiply
107,138.93x = 160,763.06 × 44,007.53 - Step 4: Simplify right side
107,138.93x = 7,074,784,492.05 - Step 5: Solve for x
x = 7,074,784,492.05/107,138.93 - Step 6: Final answer
x = 66,033.75
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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.