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Finding the Fourth Proportional to 79,890.96, 110,249.42 and 44,080.96

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Solution

The fourth proportional to 79,890.96, 110,249.42 and 44,080.96 is: 60,831.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,890.96 : 110,249.42 = 44,080.96 : x
  2. Step 2: Convert to fraction form
    79,890.96/110,249.42 = 44,080.96/x
  3. Step 3: Cross multiply
    79,890.96x = 110,249.42 × 44,080.96
  4. Step 4: Simplify right side
    79,890.96x = 4,859,900,273.04
  5. Step 5: Solve for x
    x = 4,859,900,273.04/79,890.96
  6. Step 6: Final answer
    x = 60,831.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.