Finding the Fourth Proportional to 133,629.14, 184,400.34 and 73,187.75
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Solution
The fourth proportional to 133,629.14, 184,400.34 and 73,187.75 is: 100,994.78
Step by Step Solution
- Step 1: Write the proportion equation
133,629.14 : 184,400.34 = 73,187.75 : x - Step 2: Convert to fraction form
133,629.14/184,400.34 = 73,187.75/x - Step 3: Cross multiply
133,629.14x = 184,400.34 × 73,187.75 - Step 4: Simplify right side
133,629.14x = 13,495,845,983.84 - Step 5: Solve for x
x = 13,495,845,983.84/133,629.14 - Step 6: Final answer
x = 100,994.78
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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.