Finding the Fourth Proportional to 168,521.76, 232,574.49 and 93,084.84
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Solution
The fourth proportional to 168,521.76, 232,574.49 and 93,084.84 is: 128,465.07
Step by Step Solution
- Step 1: Write the proportion equation
168,521.76 : 232,574.49 = 93,084.84 : x - Step 2: Convert to fraction form
168,521.76/232,574.49 = 93,084.84/x - Step 3: Cross multiply
168,521.76x = 232,574.49 × 93,084.84 - Step 4: Simplify right side
168,521.76x = 21,649,159,189.73 - Step 5: Solve for x
x = 21,649,159,189.73/168,521.76 - Step 6: Final answer
x = 128,465.07
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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.