Finding the Fourth Proportional to 118,743.24, 177,884.28 and 106,124.52
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Solution
The fourth proportional to 118,743.24, 177,884.28 and 106,124.52 is: 158,980.70
Step by Step Solution
- Step 1: Write the proportion equation
118,743.24 : 177,884.28 = 106,124.52 : x - Step 2: Convert to fraction form
118,743.24/177,884.28 = 106,124.52/x - Step 3: Cross multiply
118,743.24x = 177,884.28 × 106,124.52 - Step 4: Simplify right side
118,743.24x = 18,877,883,830.55 - Step 5: Solve for x
x = 18,877,883,830.55/118,743.24 - Step 6: Final answer
x = 158,980.70
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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.