Finding the Fourth Proportional to 170,407.13, 235,163.48 and 93,929.18
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Solution
The fourth proportional to 170,407.13, 235,163.48 and 93,929.18 is: 129,623.17
Step by Step Solution
- Step 1: Write the proportion equation
170,407.13 : 235,163.48 = 93,929.18 : x - Step 2: Convert to fraction form
170,407.13/235,163.48 = 93,929.18/x - Step 3: Cross multiply
170,407.13x = 235,163.48 × 93,929.18 - Step 4: Simplify right side
170,407.13x = 22,088,711,196.88 - Step 5: Solve for x
x = 22,088,711,196.88/170,407.13 - Step 6: Final answer
x = 129,623.17
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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.