Finding the Fourth Proportional to 416,624.59, 624,969.29 and 136,170.19
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Solution
The fourth proportional to 416,624.59, 624,969.29 and 136,170.19 is: 204,265.88
Step by Step Solution
- Step 1: Write the proportion equation
416,624.59 : 624,969.29 = 136,170.19 : x - Step 2: Convert to fraction form
416,624.59/624,969.29 = 136,170.19/x - Step 3: Cross multiply
416,624.59x = 624,969.29 × 136,170.19 - Step 4: Simplify right side
416,624.59x = 85,102,186,963.47 - Step 5: Solve for x
x = 85,102,186,963.47/416,624.59 - Step 6: Final answer
x = 204,265.88
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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.