Finding the Fourth Proportional to 167,582.84, 231,265.82 and 91,102.09
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Solution
The fourth proportional to 167,582.84, 231,265.82 and 91,102.09 is: 125,721.70
Step by Step Solution
- Step 1: Write the proportion equation
167,582.84 : 231,265.82 = 91,102.09 : x - Step 2: Convert to fraction form
167,582.84/231,265.82 = 91,102.09/x - Step 3: Cross multiply
167,582.84x = 231,265.82 × 91,102.09 - Step 4: Simplify right side
167,582.84x = 21,068,799,547.56 - Step 5: Solve for x
x = 21,068,799,547.56/167,582.84 - Step 6: Final answer
x = 125,721.70
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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.