Finding the Fourth Proportional to 168,990.63, 233,218.29 and 97,375.23
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Solution
The fourth proportional to 168,990.63, 233,218.29 and 97,375.23 is: 134,384.28
Step by Step Solution
- Step 1: Write the proportion equation
168,990.63 : 233,218.29 = 97,375.23 : x - Step 2: Convert to fraction form
168,990.63/233,218.29 = 97,375.23/x - Step 3: Cross multiply
168,990.63x = 233,218.29 × 97,375.23 - Step 4: Simplify right side
168,990.63x = 22,709,684,628.96 - Step 5: Solve for x
x = 22,709,684,628.96/168,990.63 - Step 6: Final answer
x = 134,384.28
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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.