Finding the Fourth Proportional to 168,744.12, 232,871.58 and 93,297.48
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Solution
The fourth proportional to 168,744.12, 232,871.58 and 93,297.48 is: 128,753.12
Step by Step Solution
- Step 1: Write the proportion equation
168,744.12 : 232,871.58 = 93,297.48 : x - Step 2: Convert to fraction form
168,744.12/232,871.58 = 93,297.48/x - Step 3: Cross multiply
168,744.12x = 232,871.58 × 93,297.48 - Step 4: Simplify right side
168,744.12x = 21,726,331,577.62 - Step 5: Solve for x
x = 21,726,331,577.62/168,744.12 - Step 6: Final answer
x = 128,753.12
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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.