Finding the Fourth Proportional to 133,441.68, 184,147.94 and 73,011.62
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Solution
The fourth proportional to 133,441.68, 184,147.94 and 73,011.62 is: 100,755.17
Step by Step Solution
- Step 1: Write the proportion equation
133,441.68 : 184,147.94 = 73,011.62 : x - Step 2: Convert to fraction form
133,441.68/184,147.94 = 73,011.62/x - Step 3: Cross multiply
133,441.68x = 184,147.94 × 73,011.62 - Step 4: Simplify right side
133,441.68x = 13,444,939,419.06 - Step 5: Solve for x
x = 13,444,939,419.06/133,441.68 - Step 6: Final answer
x = 100,755.17
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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.