Finding the Fourth Proportional to 236,353.19, 354,363.66 and 86,574.02
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Solution
The fourth proportional to 236,353.19, 354,363.66 and 86,574.02 is: 129,800.17
Step by Step Solution
- Step 1: Write the proportion equation
236,353.19 : 354,363.66 = 86,574.02 : x - Step 2: Convert to fraction form
236,353.19/354,363.66 = 86,574.02/x - Step 3: Cross multiply
236,353.19x = 354,363.66 × 86,574.02 - Step 4: Simplify right side
236,353.19x = 30,678,684,816.29 - Step 5: Solve for x
x = 30,678,684,816.29/236,353.19 - Step 6: Final answer
x = 129,800.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.