Finding the Fourth Proportional to 117,828.62, 176,844.78 and 61,707.99
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Solution
The fourth proportional to 117,828.62, 176,844.78 and 61,707.99 is: 92,615.33
Step by Step Solution
- Step 1: Write the proportion equation
117,828.62 : 176,844.78 = 61,707.99 : x - Step 2: Convert to fraction form
117,828.62/176,844.78 = 61,707.99/x - Step 3: Cross multiply
117,828.62x = 176,844.78 × 61,707.99 - Step 4: Simplify right side
117,828.62x = 10,912,735,915.79 - Step 5: Solve for x
x = 10,912,735,915.79/117,828.62 - Step 6: Final answer
x = 92,615.33
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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.