Finding the Fourth Proportional to 157,622.53, 217,551.46 and 96,379.19
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Solution
The fourth proportional to 157,622.53, 217,551.46 and 96,379.19 is: 133,023.07
Step by Step Solution
- Step 1: Write the proportion equation
157,622.53 : 217,551.46 = 96,379.19 : x - Step 2: Convert to fraction form
157,622.53/217,551.46 = 96,379.19/x - Step 3: Cross multiply
157,622.53x = 217,551.46 × 96,379.19 - Step 4: Simplify right side
157,622.53x = 20,967,433,498.12 - Step 5: Solve for x
x = 20,967,433,498.12/157,622.53 - Step 6: Final answer
x = 133,023.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.