Finding the Fourth Proportional to 110,953.75, 153,116.18 and 60,652.75
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Solution
The fourth proportional to 110,953.75, 153,116.18 and 60,652.75 is: 83,700.80
Step by Step Solution
- Step 1: Write the proportion equation
110,953.75 : 153,116.18 = 60,652.75 : x - Step 2: Convert to fraction form
110,953.75/153,116.18 = 60,652.75/x - Step 3: Cross multiply
110,953.75x = 153,116.18 × 60,652.75 - Step 4: Simplify right side
110,953.75x = 9,286,917,386.50 - Step 5: Solve for x
x = 9,286,917,386.50/110,953.75 - Step 6: Final answer
x = 83,700.80
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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.