Finding the Fourth Proportional to 124,069.70, 186,104.55 and 118,237.70
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Solution
The fourth proportional to 124,069.70, 186,104.55 and 118,237.70 is: 177,356.55
Step by Step Solution
- Step 1: Write the proportion equation
124,069.70 : 186,104.55 = 118,237.70 : x - Step 2: Convert to fraction form
124,069.70/186,104.55 = 118,237.70/x - Step 3: Cross multiply
124,069.70x = 186,104.55 × 118,237.70 - Step 4: Simplify right side
124,069.70x = 22,004,573,951.54 - Step 5: Solve for x
x = 22,004,573,951.54/124,069.70 - Step 6: Final answer
x = 177,356.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.