Finding the Fourth Proportional to 136,117.80, 204,176.70 and 136,117.80
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Solution
The fourth proportional to 136,117.80, 204,176.70 and 136,117.80 is: 204,176.70
Step by Step Solution
- Step 1: Write the proportion equation
136,117.80 : 204,176.70 = 136,117.80 : x - Step 2: Convert to fraction form
136,117.80/204,176.70 = 136,117.80/x - Step 3: Cross multiply
136,117.80x = 204,176.70 × 136,117.80 - Step 4: Simplify right side
136,117.80x = 27,792,083,215.26 - Step 5: Solve for x
x = 27,792,083,215.26/136,117.80 - Step 6: Final answer
x = 204,176.70
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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.