Finding the Fourth Proportional to 103,666.08, 155,496.96 and 29,794.08
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Solution
The fourth proportional to 103,666.08, 155,496.96 and 29,794.08 is: 44,690.50
Step by Step Solution
- Step 1: Write the proportion equation
103,666.08 : 155,496.96 = 29,794.08 : x - Step 2: Convert to fraction form
103,666.08/155,496.96 = 29,794.08/x - Step 3: Cross multiply
103,666.08x = 155,496.96 × 29,794.08 - Step 4: Simplify right side
103,666.08x = 4,632,888,866.00 - Step 5: Solve for x
x = 4,632,888,866.00/103,666.08 - Step 6: Final answer
x = 44,690.50
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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.