Finding the Fourth Proportional to 168,783.99, 232,943.94 and 97,167.03
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Solution
The fourth proportional to 168,783.99, 232,943.94 and 97,167.03 is: 134,103.19
Step by Step Solution
- Step 1: Write the proportion equation
168,783.99 : 232,943.94 = 97,167.03 : x - Step 2: Convert to fraction form
168,783.99/232,943.94 = 97,167.03/x - Step 3: Cross multiply
168,783.99x = 232,943.94 × 97,167.03 - Step 4: Simplify right side
168,783.99x = 22,634,470,806.30 - Step 5: Solve for x
x = 22,634,470,806.30/168,783.99 - Step 6: Final answer
x = 134,103.19
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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.