Finding the Fourth Proportional to 133,512.75, 184,247.60 and 73,896.75
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Solution
The fourth proportional to 133,512.75, 184,247.60 and 73,896.75 is: 101,977.52
Step by Step Solution
- Step 1: Write the proportion equation
133,512.75 : 184,247.60 = 73,896.75 : x - Step 2: Convert to fraction form
133,512.75/184,247.60 = 73,896.75/x - Step 3: Cross multiply
133,512.75x = 184,247.60 × 73,896.75 - Step 4: Simplify right side
133,512.75x = 13,615,298,465.82 - Step 5: Solve for x
x = 13,615,298,465.82/133,512.75 - Step 6: Final answer
x = 101,977.52
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1.5x scale
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.