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Finding the Fourth Proportional to 79,660.76, 119,491.12 and 32,914.84

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Solution

The fourth proportional to 79,660.76, 119,491.12 and 32,914.84 is: 49,372.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,660.76 : 119,491.12 = 32,914.84 : x
  2. Step 2: Convert to fraction form
    79,660.76/119,491.12 = 32,914.84/x
  3. Step 3: Cross multiply
    79,660.76x = 119,491.12 × 32,914.84
  4. Step 4: Simplify right side
    79,660.76x = 3,933,031,096.22
  5. Step 5: Solve for x
    x = 3,933,031,096.22/79,660.76
  6. Step 6: Final answer
    x = 49,372.25

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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.