Finding the Fourth Proportional to 125,557.40, 175,386.70 and 125,557.40
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Solution
The fourth proportional to 125,557.40, 175,386.70 and 125,557.40 is: 175,386.70
Step by Step Solution
- Step 1: Write the proportion equation
125,557.40 : 175,386.70 = 125,557.40 : x - Step 2: Convert to fraction form
125,557.40/175,386.70 = 125,557.40/x - Step 3: Cross multiply
125,557.40x = 175,386.70 × 125,557.40 - Step 4: Simplify right side
125,557.40x = 22,021,098,046.58 - Step 5: Solve for x
x = 22,021,098,046.58/125,557.40 - Step 6: Final answer
x = 175,386.70
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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.