Finding the Fourth Proportional to 104,511.02, 156,820.14 and 51,201.99
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Solution
The fourth proportional to 104,511.02, 156,820.14 and 51,201.99 is: 76,829.25
Step by Step Solution
- Step 1: Write the proportion equation
104,511.02 : 156,820.14 = 51,201.99 : x - Step 2: Convert to fraction form
104,511.02/156,820.14 = 51,201.99/x - Step 3: Cross multiply
104,511.02x = 156,820.14 × 51,201.99 - Step 4: Simplify right side
104,511.02x = 8,029,503,240.08 - Step 5: Solve for x
x = 8,029,503,240.08/104,511.02 - Step 6: Final answer
x = 76,829.25
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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.