Finding the Fourth Proportional to 164,661.49, 227,233.08 and 89,209.99
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Solution
The fourth proportional to 164,661.49, 227,233.08 and 89,209.99 is: 123,109.91
Step by Step Solution
- Step 1: Write the proportion equation
164,661.49 : 227,233.08 = 89,209.99 : x - Step 2: Convert to fraction form
164,661.49/227,233.08 = 89,209.99/x - Step 3: Cross multiply
164,661.49x = 227,233.08 × 89,209.99 - Step 4: Simplify right side
164,661.49x = 20,271,460,794.47 - Step 5: Solve for x
x = 20,271,460,794.47/164,661.49 - Step 6: Final answer
x = 123,109.91
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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.