Finding the Fourth Proportional to 117,243.78, 175,867.40 and 37,294.09
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Solution
The fourth proportional to 117,243.78, 175,867.40 and 37,294.09 is: 55,941.68
Step by Step Solution
- Step 1: Write the proportion equation
117,243.78 : 175,867.40 = 37,294.09 : x - Step 2: Convert to fraction form
117,243.78/175,867.40 = 37,294.09/x - Step 3: Cross multiply
117,243.78x = 175,867.40 × 37,294.09 - Step 4: Simplify right side
117,243.78x = 6,558,814,157.38 - Step 5: Solve for x
x = 6,558,814,157.38/117,243.78 - Step 6: Final answer
x = 55,941.68
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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.