Finding the Fourth Proportional to 106,737.99, 160,133.25 and 75,209.63
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Solution
The fourth proportional to 106,737.99, 160,133.25 and 75,209.63 is: 112,832.94
Step by Step Solution
- Step 1: Write the proportion equation
106,737.99 : 160,133.25 = 75,209.63 : x - Step 2: Convert to fraction form
106,737.99/160,133.25 = 75,209.63/x - Step 3: Cross multiply
106,737.99x = 160,133.25 × 75,209.63 - Step 4: Simplify right side
106,737.99x = 12,043,561,682.53 - Step 5: Solve for x
x = 12,043,561,682.53/106,737.99 - Step 6: Final answer
x = 112,832.94
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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.