Finding the Fourth Proportional to 169,904.23, 234,463.11 and 93,423.48
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Solution
The fourth proportional to 169,904.23, 234,463.11 and 93,423.48 is: 128,921.79
Step by Step Solution
- Step 1: Write the proportion equation
169,904.23 : 234,463.11 = 93,423.48 : x - Step 2: Convert to fraction form
169,904.23/234,463.11 = 93,423.48/x - Step 3: Cross multiply
169,904.23x = 234,463.11 × 93,423.48 - Step 4: Simplify right side
169,904.23x = 21,904,358,438.25 - Step 5: Solve for x
x = 21,904,358,438.25/169,904.23 - Step 6: Final answer
x = 128,921.79
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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.