Finding the Fourth Proportional to 116,509.99, 174,389.09 and 60,272.66
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Solution
The fourth proportional to 116,509.99, 174,389.09 and 60,272.66 is: 90,214.53
Step by Step Solution
- Step 1: Write the proportion equation
116,509.99 : 174,389.09 = 60,272.66 : x - Step 2: Convert to fraction form
116,509.99/174,389.09 = 60,272.66/x - Step 3: Cross multiply
116,509.99x = 174,389.09 × 60,272.66 - Step 4: Simplify right side
116,509.99x = 10,510,894,329.28 - Step 5: Solve for x
x = 10,510,894,329.28/116,509.99 - Step 6: Final answer
x = 90,214.53
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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.