Finding the Fourth Proportional to 117,541.24, 176,274.42 and 38,637.28
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Solution
The fourth proportional to 117,541.24, 176,274.42 and 38,637.28 is: 57,943.61
Step by Step Solution
- Step 1: Write the proportion equation
117,541.24 : 176,274.42 = 38,637.28 : x - Step 2: Convert to fraction form
117,541.24/176,274.42 = 38,637.28/x - Step 3: Cross multiply
117,541.24x = 176,274.42 × 38,637.28 - Step 4: Simplify right side
117,541.24x = 6,810,764,122.38 - Step 5: Solve for x
x = 6,810,764,122.38/117,541.24 - Step 6: Final answer
x = 57,943.61
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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.