Finding the Fourth Proportional to 168,763.24, 232,885.38 and 93,310.12
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Solution
The fourth proportional to 168,763.24, 232,885.38 and 93,310.12 is: 128,763.60
Step by Step Solution
- Step 1: Write the proportion equation
168,763.24 : 232,885.38 = 93,310.12 : x - Step 2: Convert to fraction form
168,763.24/232,885.38 = 93,310.12/x - Step 3: Cross multiply
168,763.24x = 232,885.38 × 93,310.12 - Step 4: Simplify right side
168,763.24x = 21,730,562,754.05 - Step 5: Solve for x
x = 21,730,562,754.05/168,763.24 - Step 6: Final answer
x = 128,763.60
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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.