Finding the Fourth Proportional to 114,124.44, 157,442.20 and 68,776.66
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Solution
The fourth proportional to 114,124.44, 157,442.20 and 68,776.66 is: 94,881.94
Step by Step Solution
- Step 1: Write the proportion equation
114,124.44 : 157,442.20 = 68,776.66 : x - Step 2: Convert to fraction form
114,124.44/157,442.20 = 68,776.66/x - Step 3: Cross multiply
114,124.44x = 157,442.20 × 68,776.66 - Step 4: Simplify right side
114,124.44x = 10,828,348,659.05 - Step 5: Solve for x
x = 10,828,348,659.05/114,124.44 - Step 6: Final answer
x = 94,881.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.