Finding the Fourth Proportional to 178,984.44, 246,998.98 and 102,504.76
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Solution
The fourth proportional to 178,984.44, 246,998.98 and 102,504.76 is: 141,456.83
Step by Step Solution
- Step 1: Write the proportion equation
178,984.44 : 246,998.98 = 102,504.76 : x - Step 2: Convert to fraction form
178,984.44/246,998.98 = 102,504.76/x - Step 3: Cross multiply
178,984.44x = 246,998.98 × 102,504.76 - Step 4: Simplify right side
178,984.44x = 25,318,571,165.14 - Step 5: Solve for x
x = 25,318,571,165.14/178,984.44 - Step 6: Final answer
x = 141,456.83
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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.