Finding the Fourth Proportional to 74,062,386.70, 103,432,249.70 and 74,062,386.70
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Solution
The fourth proportional to 74,062,386.70, 103,432,249.70 and 74,062,386.70 is: 103,432,249.70
Step by Step Solution
- Step 1: Write the proportion equation
74,062,386.70 : 103,432,249.70 = 74,062,386.70 : x - Step 2: Convert to fraction form
74,062,386.70/103,432,249.70 = 74,062,386.70/x - Step 3: Cross multiply
74,062,386.70x = 103,432,249.70 × 74,062,386.70 - Step 4: Simplify right side
74,062,386.70x = 7,660,439,274,532,360 - Step 5: Solve for x
x = 7,660,439,274,532,360/74,062,386.70 - Step 6: Final answer
x = 103,432,249.70
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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.