Finding the Fourth Proportional to 110,521.08, 165,782.76 and 88,474.62
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Solution
The fourth proportional to 110,521.08, 165,782.76 and 88,474.62 is: 132,712.84
Step by Step Solution
- Step 1: Write the proportion equation
110,521.08 : 165,782.76 = 88,474.62 : x - Step 2: Convert to fraction form
110,521.08/165,782.76 = 88,474.62/x - Step 3: Cross multiply
110,521.08x = 165,782.76 × 88,474.62 - Step 4: Simplify right side
110,521.08x = 14,667,566,693.55 - Step 5: Solve for x
x = 14,667,566,693.55/110,521.08 - Step 6: Final answer
x = 132,712.84
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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.