Finding the Fourth Proportional to 168,767.64, 232,898.76 and 93,316.14
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Solution
The fourth proportional to 168,767.64, 232,898.76 and 93,316.14 is: 128,775.95
Step by Step Solution
- Step 1: Write the proportion equation
168,767.64 : 232,898.76 = 93,316.14 : x - Step 2: Convert to fraction form
168,767.64/232,898.76 = 93,316.14/x - Step 3: Cross multiply
168,767.64x = 232,898.76 × 93,316.14 - Step 4: Simplify right side
168,767.64x = 21,733,213,293.99 - Step 5: Solve for x
x = 21,733,213,293.99/168,767.64 - Step 6: Final answer
x = 128,775.95
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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.