Finding the Fourth Proportional to 168,816,106.70, 236,880,026.50 and 168,816,106.70
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Solution
The fourth proportional to 168,816,106.70, 236,880,026.50 and 168,816,106.70 is: 236,880,026.50
Step by Step Solution
- Step 1: Write the proportion equation
168,816,106.70 : 236,880,026.50 = 168,816,106.70 : x - Step 2: Convert to fraction form
168,816,106.70/236,880,026.50 = 168,816,106.70/x - Step 3: Cross multiply
168,816,106.70x = 236,880,026.50 × 168,816,106.70 - Step 4: Simplify right side
168,816,106.70x = 39,989,163,828,722,824 - Step 5: Solve for x
x = 39,989,163,828,722,824/168,816,106.70 - Step 6: Final answer
x = 236,880,026.50
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1.5x scale
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.