Finding the Fourth Proportional to 124,121.24, 171,282.19 and 67,532.84
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Solution
The fourth proportional to 124,121.24, 171,282.19 and 67,532.84 is: 93,192.53
Step by Step Solution
- Step 1: Write the proportion equation
124,121.24 : 171,282.19 = 67,532.84 : x - Step 2: Convert to fraction form
124,121.24/171,282.19 = 67,532.84/x - Step 3: Cross multiply
124,121.24x = 171,282.19 × 67,532.84 - Step 4: Simplify right side
124,121.24x = 11,567,171,706.88 - Step 5: Solve for x
x = 11,567,171,706.88/124,121.24 - Step 6: Final answer
x = 93,192.53
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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.