Finding the Fourth Proportional to 134,618.13, 201,936.42 and 45,841.65
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Solution
The fourth proportional to 134,618.13, 201,936.42 and 45,841.65 is: 68,765.61
Step by Step Solution
- Step 1: Write the proportion equation
134,618.13 : 201,936.42 = 45,841.65 : x - Step 2: Convert to fraction form
134,618.13/201,936.42 = 45,841.65/x - Step 3: Cross multiply
134,618.13x = 201,936.42 × 45,841.65 - Step 4: Simplify right side
134,618.13x = 9,257,097,801.70 - Step 5: Solve for x
x = 9,257,097,801.70/134,618.13 - Step 6: Final answer
x = 68,765.61
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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.