Finding the Fourth Proportional to 169,304.40, 253,977.59 and 55,413.09
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Solution
The fourth proportional to 169,304.40, 253,977.59 and 55,413.09 is: 83,126.50
Step by Step Solution
- Step 1: Write the proportion equation
169,304.40 : 253,977.59 = 55,413.09 : x - Step 2: Convert to fraction form
169,304.40/253,977.59 = 55,413.09/x - Step 3: Cross multiply
169,304.40x = 253,977.59 × 55,413.09 - Step 4: Simplify right side
169,304.40x = 14,073,683,052.65 - Step 5: Solve for x
x = 14,073,683,052.65/169,304.40 - Step 6: Final answer
x = 83,126.50
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1.5x scale
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.