Finding the Fourth Proportional to 176,236.70, 243,333.06 and 108,344.75
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Solution
The fourth proportional to 176,236.70, 243,333.06 and 108,344.75 is: 149,593.47
Step by Step Solution
- Step 1: Write the proportion equation
176,236.70 : 243,333.06 = 108,344.75 : x - Step 2: Convert to fraction form
176,236.70/243,333.06 = 108,344.75/x - Step 3: Cross multiply
176,236.70x = 243,333.06 × 108,344.75 - Step 4: Simplify right side
176,236.70x = 26,363,859,552.44 - Step 5: Solve for x
x = 26,363,859,552.44/176,236.70 - Step 6: Final answer
x = 149,593.47
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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.