Finding the Fourth Proportional to 112,337.80, 168,506.70 and 29,231.80
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Solution
The fourth proportional to 112,337.80, 168,506.70 and 29,231.80 is: 43,847.70
Step by Step Solution
- Step 1: Write the proportion equation
112,337.80 : 168,506.70 = 29,231.80 : x - Step 2: Convert to fraction form
112,337.80/168,506.70 = 29,231.80/x - Step 3: Cross multiply
112,337.80x = 168,506.70 × 29,231.80 - Step 4: Simplify right side
112,337.80x = 4,925,754,153.06 - Step 5: Solve for x
x = 4,925,754,153.06/112,337.80 - Step 6: Final answer
x = 43,847.70
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1.5x scale
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.