Finding the Fourth Proportional to 110,830.68, 166,295.16 and 58,228.20
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Solution
The fourth proportional to 110,830.68, 166,295.16 and 58,228.20 is: 87,368.12
Step by Step Solution
- Step 1: Write the proportion equation
110,830.68 : 166,295.16 = 58,228.20 : x - Step 2: Convert to fraction form
110,830.68/166,295.16 = 58,228.20/x - Step 3: Cross multiply
110,830.68x = 166,295.16 × 58,228.20 - Step 4: Simplify right side
110,830.68x = 9,683,067,835.51 - Step 5: Solve for x
x = 9,683,067,835.51/110,830.68 - Step 6: Final answer
x = 87,368.12
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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.