Finding the Fourth Proportional to 162,059.13, 223,653.99 and 89,476.02
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Solution
The fourth proportional to 162,059.13, 223,653.99 and 89,476.02 is: 123,483.75
Step by Step Solution
- Step 1: Write the proportion equation
162,059.13 : 223,653.99 = 89,476.02 : x - Step 2: Convert to fraction form
162,059.13/223,653.99 = 89,476.02/x - Step 3: Cross multiply
162,059.13x = 223,653.99 × 89,476.02 - Step 4: Simplify right side
162,059.13x = 20,011,668,882.32 - Step 5: Solve for x
x = 20,011,668,882.32/162,059.13 - Step 6: Final answer
x = 123,483.75
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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.