Finding the Fourth Proportional to 71,302,827.80, 106,954,241.70 and 71,302,827.80
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Solution
The fourth proportional to 71,302,827.80, 106,954,241.70 and 71,302,827.80 is: 106,954,241.70
Step by Step Solution
- Step 1: Write the proportion equation
71,302,827.80 : 106,954,241.70 = 71,302,827.80 : x - Step 2: Convert to fraction form
71,302,827.80/106,954,241.70 = 71,302,827.80/x - Step 3: Cross multiply
71,302,827.80x = 106,954,241.70 × 71,302,827.80 - Step 4: Simplify right side
71,302,827.80x = 7,626,139,878,414,679 - Step 5: Solve for x
x = 7,626,139,878,414,679/71,302,827.80 - Step 6: Final answer
x = 106,954,241.70
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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.