Finding the Fourth Proportional to 168,657.72, 232,752.48 and 92,181.08
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Solution
The fourth proportional to 168,657.72, 232,752.48 and 92,181.08 is: 127,212.53
Step by Step Solution
- Step 1: Write the proportion equation
168,657.72 : 232,752.48 = 92,181.08 : x - Step 2: Convert to fraction form
168,657.72/232,752.48 = 92,181.08/x - Step 3: Cross multiply
168,657.72x = 232,752.48 × 92,181.08 - Step 4: Simplify right side
168,657.72x = 21,455,374,979.08 - Step 5: Solve for x
x = 21,455,374,979.08/168,657.72 - Step 6: Final answer
x = 127,212.53
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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.