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Finding the Fourth Proportional to 79,657.75, 119,486.63 and 32,911.84

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Solution

The fourth proportional to 79,657.75, 119,486.63 and 32,911.84 is: 49,367.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,657.75 : 119,486.63 = 32,911.84 : x
  2. Step 2: Convert to fraction form
    79,657.75/119,486.63 = 32,911.84/x
  3. Step 3: Cross multiply
    79,657.75x = 119,486.63 × 32,911.84
  4. Step 4: Simplify right side
    79,657.75x = 3,932,524,848.70
  5. Step 5: Solve for x
    x = 3,932,524,848.70/79,657.75
  6. Step 6: Final answer
    x = 49,367.76

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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.