Finding the Fourth Proportional to 97,722.20, 132,028.65 and 97,722.20
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Solution
The fourth proportional to 97,722.20, 132,028.65 and 97,722.20 is: 132,028.65
Step by Step Solution
- Step 1: Write the proportion equation
97,722.20 : 132,028.65 = 97,722.20 : x - Step 2: Convert to fraction form
97,722.20/132,028.65 = 97,722.20/x - Step 3: Cross multiply
97,722.20x = 132,028.65 × 97,722.20 - Step 4: Simplify right side
97,722.20x = 12,902,130,141.03 - Step 5: Solve for x
x = 12,902,130,141.03/97,722.20 - Step 6: Final answer
x = 132,028.65
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Why These Related Problems?
These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.