Finding the Fourth Proportional to 169,347.09, 233,645.81 and 97,717.71
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Solution
The fourth proportional to 169,347.09, 233,645.81 and 97,717.71 is: 134,819.75
Step by Step Solution
- Step 1: Write the proportion equation
169,347.09 : 233,645.81 = 97,717.71 : x - Step 2: Convert to fraction form
169,347.09/233,645.81 = 97,717.71/x - Step 3: Cross multiply
169,347.09x = 233,645.81 × 97,717.71 - Step 4: Simplify right side
169,347.09x = 22,831,333,015.71 - Step 5: Solve for x
x = 22,831,333,015.71/169,347.09 - Step 6: Final answer
x = 134,819.75
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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.