Finding the Fourth Proportional to 236,703.75, 355,117.19 and 70,491.75
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Solution
The fourth proportional to 236,703.75, 355,117.19 and 70,491.75 is: 105,755.96
Step by Step Solution
- Step 1: Write the proportion equation
236,703.75 : 355,117.19 = 70,491.75 : x - Step 2: Convert to fraction form
236,703.75/355,117.19 = 70,491.75/x - Step 3: Cross multiply
236,703.75x = 355,117.19 × 70,491.75 - Step 4: Simplify right side
236,703.75x = 25,032,831,825.72 - Step 5: Solve for x
x = 25,032,831,825.72/236,703.75 - Step 6: Final answer
x = 105,755.96
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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.