Finding the Fourth Proportional to 110,681.44, 165,866.40 and 48,220.96
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Solution
The fourth proportional to 110,681.44, 165,866.40 and 48,220.96 is: 72,263.58
Step by Step Solution
- Step 1: Write the proportion equation
110,681.44 : 165,866.40 = 48,220.96 : x - Step 2: Convert to fraction form
110,681.44/165,866.40 = 48,220.96/x - Step 3: Cross multiply
110,681.44x = 165,866.40 × 48,220.96 - Step 4: Simplify right side
110,681.44x = 7,998,237,039.74 - Step 5: Solve for x
x = 7,998,237,039.74/110,681.44 - Step 6: Final answer
x = 72,263.58
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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.