Finding the Fourth Proportional to 169,412.56, 233,783.36 and 93,968.08
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Solution
The fourth proportional to 169,412.56, 233,783.36 and 93,968.08 is: 129,672.64
Step by Step Solution
- Step 1: Write the proportion equation
169,412.56 : 233,783.36 = 93,968.08 : x - Step 2: Convert to fraction form
169,412.56/233,783.36 = 93,968.08/x - Step 3: Cross multiply
169,412.56x = 233,783.36 × 93,968.08 - Step 4: Simplify right side
169,412.56x = 21,968,173,475.15 - Step 5: Solve for x
x = 21,968,173,475.15/169,412.56 - Step 6: Final answer
x = 129,672.64
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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.