Finding the Fourth Proportional to 168,972.48, 233,240.28 and 97,381.08
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Solution
The fourth proportional to 168,972.48, 233,240.28 and 97,381.08 is: 134,419.47
Step by Step Solution
- Step 1: Write the proportion equation
168,972.48 : 233,240.28 = 97,381.08 : x - Step 2: Convert to fraction form
168,972.48/233,240.28 = 97,381.08/x - Step 3: Cross multiply
168,972.48x = 233,240.28 × 97,381.08 - Step 4: Simplify right side
168,972.48x = 22,713,190,365.90 - Step 5: Solve for x
x = 22,713,190,365.90/168,972.48 - Step 6: Final answer
x = 134,419.47
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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.