Finding the Fourth Proportional to 440,903.06, 661,465.64 and 125,359.97
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Solution
The fourth proportional to 440,903.06, 661,465.64 and 125,359.97 is: 188,071.53
Step by Step Solution
- Step 1: Write the proportion equation
440,903.06 : 661,465.64 = 125,359.97 : x - Step 2: Convert to fraction form
440,903.06/661,465.64 = 125,359.97/x - Step 3: Cross multiply
440,903.06x = 661,465.64 × 125,359.97 - Step 4: Simplify right side
440,903.06x = 82,921,313,513.25 - Step 5: Solve for x
x = 82,921,313,513.25/440,903.06 - Step 6: Final answer
x = 188,071.53
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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.