Finding the Fourth Proportional to 116,208.99, 160,373.66 and 91,014.75
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Solution
The fourth proportional to 116,208.99, 160,373.66 and 91,014.75 is: 125,604.47
Step by Step Solution
- Step 1: Write the proportion equation
116,208.99 : 160,373.66 = 91,014.75 : x - Step 2: Convert to fraction form
116,208.99/160,373.66 = 91,014.75/x - Step 3: Cross multiply
116,208.99x = 160,373.66 × 91,014.75 - Step 4: Simplify right side
116,208.99x = 14,596,368,116.41 - Step 5: Solve for x
x = 14,596,368,116.41/116,208.99 - Step 6: Final answer
x = 125,604.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.