Finding the Fourth Proportional to 133,696.54, 184,483.70 and 79,961.96
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Solution
The fourth proportional to 133,696.54, 184,483.70 and 79,961.96 is: 110,337.02
Step by Step Solution
- Step 1: Write the proportion equation
133,696.54 : 184,483.70 = 79,961.96 : x - Step 2: Convert to fraction form
133,696.54/184,483.70 = 79,961.96/x - Step 3: Cross multiply
133,696.54x = 184,483.70 × 79,961.96 - Step 4: Simplify right side
133,696.54x = 14,751,678,240.05 - Step 5: Solve for x
x = 14,751,678,240.05/133,696.54 - Step 6: Final answer
x = 110,337.02
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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.