Finding the Fourth Proportional to 107,215.68, 160,772.40 and 48,051.84
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Solution
The fourth proportional to 107,215.68, 160,772.40 and 48,051.84 is: 72,054.85
Step by Step Solution
- Step 1: Write the proportion equation
107,215.68 : 160,772.40 = 48,051.84 : x - Step 2: Convert to fraction form
107,215.68/160,772.40 = 48,051.84/x - Step 3: Cross multiply
107,215.68x = 160,772.40 × 48,051.84 - Step 4: Simplify right side
107,215.68x = 7,725,409,641.22 - Step 5: Solve for x
x = 7,725,409,641.22/107,215.68 - Step 6: Final answer
x = 72,054.85
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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.