Finding the Fourth Proportional to 110,676.36, 152,730.02 and 62,280.99
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Solution
The fourth proportional to 110,676.36, 152,730.02 and 62,280.99 is: 85,945.88
Step by Step Solution
- Step 1: Write the proportion equation
110,676.36 : 152,730.02 = 62,280.99 : x - Step 2: Convert to fraction form
110,676.36/152,730.02 = 62,280.99/x - Step 3: Cross multiply
110,676.36x = 152,730.02 × 62,280.99 - Step 4: Simplify right side
110,676.36x = 9,512,176,848.32 - Step 5: Solve for x
x = 9,512,176,848.32/110,676.36 - Step 6: Final answer
x = 85,945.88
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1.5x scale
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.