Finding the Fourth Proportional to 66,734,409.20, 93,629,726.80 and 66,734,409.20
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Solution
The fourth proportional to 66,734,409.20, 93,629,726.80 and 66,734,409.20 is: 93,629,726.80
Step by Step Solution
- Step 1: Write the proportion equation
66,734,409.20 : 93,629,726.80 = 66,734,409.20 : x - Step 2: Convert to fraction form
66,734,409.20/93,629,726.80 = 66,734,409.20/x - Step 3: Cross multiply
66,734,409.20x = 93,629,726.80 × 66,734,409.20 - Step 4: Simplify right side
66,734,409.20x = 6,248,324,501,555,407 - Step 5: Solve for x
x = 6,248,324,501,555,407/66,734,409.20 - Step 6: Final answer
x = 93,629,726.80
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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.