Finding the Fourth Proportional to 112,395.06, 167,772.67 and 98,207.17
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Solution
The fourth proportional to 112,395.06, 167,772.67 and 98,207.17 is: 146,594.33
Step by Step Solution
- Step 1: Write the proportion equation
112,395.06 : 167,772.67 = 98,207.17 : x - Step 2: Convert to fraction form
112,395.06/167,772.67 = 98,207.17/x - Step 3: Cross multiply
112,395.06x = 167,772.67 × 98,207.17 - Step 4: Simplify right side
112,395.06x = 16,476,478,459.09 - Step 5: Solve for x
x = 16,476,478,459.09/112,395.06 - Step 6: Final answer
x = 146,594.33
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.