Finding the Fourth Proportional to 168,746.12, 232,874.34 and 93,299.48
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Solution
The fourth proportional to 168,746.12, 232,874.34 and 93,299.48 is: 128,755.88
Step by Step Solution
- Step 1: Write the proportion equation
168,746.12 : 232,874.34 = 93,299.48 : x - Step 2: Convert to fraction form
168,746.12/232,874.34 = 93,299.48/x - Step 3: Cross multiply
168,746.12x = 232,874.34 × 93,299.48 - Step 4: Simplify right side
168,746.12x = 21,727,054,827.34 - Step 5: Solve for x
x = 21,727,054,827.34/168,746.12 - Step 6: Final answer
x = 128,755.88
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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.