Finding the Fourth Proportional to 168,829.68, 232,969.32 and 93,376.56
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Solution
The fourth proportional to 168,829.68, 232,969.32 and 93,376.56 is: 128,851.00
Step by Step Solution
- Step 1: Write the proportion equation
168,829.68 : 232,969.32 = 93,376.56 : x - Step 2: Convert to fraction form
168,829.68/232,969.32 = 93,376.56/x - Step 3: Cross multiply
168,829.68x = 232,969.32 × 93,376.56 - Step 4: Simplify right side
168,829.68x = 21,753,873,687.14 - Step 5: Solve for x
x = 21,753,873,687.14/168,829.68 - Step 6: Final answer
x = 128,851.00
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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.