Finding the Fourth Proportional to 168,972.18, 233,181.68 and 92,491.67
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Solution
The fourth proportional to 168,972.18, 233,181.68 and 92,491.67 is: 127,638.53
Step by Step Solution
- Step 1: Write the proportion equation
168,972.18 : 233,181.68 = 92,491.67 : x - Step 2: Convert to fraction form
168,972.18/233,181.68 = 92,491.67/x - Step 3: Cross multiply
168,972.18x = 233,181.68 × 92,491.67 - Step 4: Simplify right side
168,972.18x = 21,567,361,368.24 - Step 5: Solve for x
x = 21,567,361,368.24/168,972.18 - Step 6: Final answer
x = 127,638.53
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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.