Finding the Fourth Proportional to 133,207.35, 183,878.73 and 82,240.69
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Solution
The fourth proportional to 133,207.35, 183,878.73 and 82,240.69 is: 113,524.61
Step by Step Solution
- Step 1: Write the proportion equation
133,207.35 : 183,878.73 = 82,240.69 : x - Step 2: Convert to fraction form
133,207.35/183,878.73 = 82,240.69/x - Step 3: Cross multiply
133,207.35x = 183,878.73 × 82,240.69 - Step 4: Simplify right side
133,207.35x = 15,122,312,712.13 - Step 5: Solve for x
x = 15,122,312,712.13/133,207.35 - Step 6: Final answer
x = 113,524.61
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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.