Finding the Fourth Proportional to 113,206.14, 156,227.99 and 62,217.95
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Solution
The fourth proportional to 113,206.14, 156,227.99 and 62,217.95 is: 85,862.70
Step by Step Solution
- Step 1: Write the proportion equation
113,206.14 : 156,227.99 = 62,217.95 : x - Step 2: Convert to fraction form
113,206.14/156,227.99 = 62,217.95/x - Step 3: Cross multiply
113,206.14x = 156,227.99 × 62,217.95 - Step 4: Simplify right side
113,206.14x = 9,720,185,270.42 - Step 5: Solve for x
x = 9,720,185,270.42/113,206.14 - Step 6: Final answer
x = 85,862.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.