Finding the Fourth Proportional to 74,465.70, 104,018.70 and 74,465.70
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Solution
The fourth proportional to 74,465.70, 104,018.70 and 74,465.70 is: 104,018.70
Step by Step Solution
- Step 1: Write the proportion equation
74,465.70 : 104,018.70 = 74,465.70 : x - Step 2: Convert to fraction form
74,465.70/104,018.70 = 74,465.70/x - Step 3: Cross multiply
74,465.70x = 104,018.70 × 74,465.70 - Step 4: Simplify right side
74,465.70x = 7,745,825,308.59 - Step 5: Solve for x
x = 7,745,825,308.59/74,465.70 - Step 6: Final answer
x = 104,018.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.