Finding the Fourth Proportional to 169,089.63, 233,343.75 and 93,638.13
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Solution
The fourth proportional to 169,089.63, 233,343.75 and 93,638.13 is: 129,220.65
Step by Step Solution
- Step 1: Write the proportion equation
169,089.63 : 233,343.75 = 93,638.13 : x - Step 2: Convert to fraction form
169,089.63/233,343.75 = 93,638.13/x - Step 3: Cross multiply
169,089.63x = 233,343.75 × 93,638.13 - Step 4: Simplify right side
169,089.63x = 21,849,872,397.19 - Step 5: Solve for x
x = 21,849,872,397.19/169,089.63 - Step 6: Final answer
x = 129,220.65
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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.