Finding the Fourth Proportional to 111,644.74, 167,272.08 and 93,044.26
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Solution
The fourth proportional to 111,644.74, 167,272.08 and 93,044.26 is: 139,403.85
Step by Step Solution
- Step 1: Write the proportion equation
111,644.74 : 167,272.08 = 93,044.26 : x - Step 2: Convert to fraction form
111,644.74/167,272.08 = 93,044.26/x - Step 3: Cross multiply
111,644.74x = 167,272.08 × 93,044.26 - Step 4: Simplify right side
111,644.74x = 15,563,706,902.26 - Step 5: Solve for x
x = 15,563,706,902.26/111,644.74 - Step 6: Final answer
x = 139,403.85
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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.