Finding the Fourth Proportional to 70,134.26, 105,202.26 and 23,387.13
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Solution
The fourth proportional to 70,134.26, 105,202.26 and 23,387.13 is: 35,080.99
Step by Step Solution
- Step 1: Write the proportion equation
70,134.26 : 105,202.26 = 23,387.13 : x - Step 2: Convert to fraction form
70,134.26/105,202.26 = 23,387.13/x - Step 3: Cross multiply
70,134.26x = 105,202.26 × 23,387.13 - Step 4: Simplify right side
70,134.26x = 2,460,378,930.91 - Step 5: Solve for x
x = 2,460,378,930.91/70,134.26 - Step 6: Final answer
x = 35,080.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.