Finding the Fourth Proportional to 118,521.93, 177,769.22 and 29,768.68
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Solution
The fourth proportional to 118,521.93, 177,769.22 and 29,768.68 is: 44,649.58
Step by Step Solution
- Step 1: Write the proportion equation
118,521.93 : 177,769.22 = 29,768.68 : x - Step 2: Convert to fraction form
118,521.93/177,769.22 = 29,768.68/x - Step 3: Cross multiply
118,521.93x = 177,769.22 × 29,768.68 - Step 4: Simplify right side
118,521.93x = 5,291,955,097.40 - Step 5: Solve for x
x = 5,291,955,097.40/118,521.93 - Step 6: Final answer
x = 44,649.58
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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.