Finding the Fourth Proportional to 122,581.13, 183,849.62 and 32,624.28
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Solution
The fourth proportional to 122,581.13, 183,849.62 and 32,624.28 is: 48,930.55
Step by Step Solution
- Step 1: Write the proportion equation
122,581.13 : 183,849.62 = 32,624.28 : x - Step 2: Convert to fraction form
122,581.13/183,849.62 = 32,624.28/x - Step 3: Cross multiply
122,581.13x = 183,849.62 × 32,624.28 - Step 4: Simplify right side
122,581.13x = 5,997,961,317.65 - Step 5: Solve for x
x = 5,997,961,317.65/122,581.13 - Step 6: Final answer
x = 48,930.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.