Finding the Fourth Proportional to 168,764.88, 232,900.20 and 93,316.08
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Solution
The fourth proportional to 168,764.88, 232,900.20 and 93,316.08 is: 128,778.77
Step by Step Solution
- Step 1: Write the proportion equation
168,764.88 : 232,900.20 = 93,316.08 : x - Step 2: Convert to fraction form
168,764.88/232,900.20 = 93,316.08/x - Step 3: Cross multiply
168,764.88x = 232,900.20 × 93,316.08 - Step 4: Simplify right side
168,764.88x = 21,733,333,695.22 - Step 5: Solve for x
x = 21,733,333,695.22/168,764.88 - Step 6: Final answer
x = 128,778.77
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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.