Finding the Fourth Proportional to 274,829.72, 412,470.66 and 117,236.12
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Solution
The fourth proportional to 274,829.72, 412,470.66 and 117,236.12 is: 175,950.62
Step by Step Solution
- Step 1: Write the proportion equation
274,829.72 : 412,470.66 = 117,236.12 : x - Step 2: Convert to fraction form
274,829.72/412,470.66 = 117,236.12/x - Step 3: Cross multiply
274,829.72x = 412,470.66 × 117,236.12 - Step 4: Simplify right side
274,829.72x = 48,356,459,792.24 - Step 5: Solve for x
x = 48,356,459,792.24/274,829.72 - Step 6: Final answer
x = 175,950.62
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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.