Finding the Fourth Proportional to 117,497.68, 176,272.44 and 38,608.54
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Solution
The fourth proportional to 117,497.68, 176,272.44 and 38,608.54 is: 57,921.33
Step by Step Solution
- Step 1: Write the proportion equation
117,497.68 : 176,272.44 = 38,608.54 : x - Step 2: Convert to fraction form
117,497.68/176,272.44 = 38,608.54/x - Step 3: Cross multiply
117,497.68x = 176,272.44 × 38,608.54 - Step 4: Simplify right side
117,497.68x = 6,805,621,550.64 - Step 5: Solve for x
x = 6,805,621,550.64/117,497.68 - Step 6: Final answer
x = 57,921.33
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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.