Finding the Fourth Proportional to 224,446.96, 309,744.28 and 122,478.02
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Solution
The fourth proportional to 224,446.96, 309,744.28 and 122,478.02 is: 169,023.75
Step by Step Solution
- Step 1: Write the proportion equation
224,446.96 : 309,744.28 = 122,478.02 : x - Step 2: Convert to fraction form
224,446.96/309,744.28 = 122,478.02/x - Step 3: Cross multiply
224,446.96x = 309,744.28 × 122,478.02 - Step 4: Simplify right side
224,446.96x = 37,936,866,120.73 - Step 5: Solve for x
x = 37,936,866,120.73/224,446.96 - Step 6: Final answer
x = 169,023.75
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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.