Finding the Fourth Proportional to 168,432.99, 232,476.62 and 111,082.70
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Solution
The fourth proportional to 168,432.99, 232,476.62 and 111,082.70 is: 153,319.91
Step by Step Solution
- Step 1: Write the proportion equation
168,432.99 : 232,476.62 = 111,082.70 : x - Step 2: Convert to fraction form
168,432.99/232,476.62 = 111,082.70/x - Step 3: Cross multiply
168,432.99x = 232,476.62 × 111,082.70 - Step 4: Simplify right side
168,432.99x = 25,824,130,636.47 - Step 5: Solve for x
x = 25,824,130,636.47/168,432.99 - Step 6: Final answer
x = 153,319.91
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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.