Finding the Fourth Proportional to 116,510.04, 160,718.31 and 69,930.99
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Solution
The fourth proportional to 116,510.04, 160,718.31 and 69,930.99 is: 96,465.43
Step by Step Solution
- Step 1: Write the proportion equation
116,510.04 : 160,718.31 = 69,930.99 : x - Step 2: Convert to fraction form
116,510.04/160,718.31 = 69,930.99/x - Step 3: Cross multiply
116,510.04x = 160,718.31 × 69,930.99 - Step 4: Simplify right side
116,510.04x = 11,239,190,529.43 - Step 5: Solve for x
x = 11,239,190,529.43/116,510.04 - Step 6: Final answer
x = 96,465.43
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1.5x scale
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.