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Finding the Fourth Proportional to 79,704.48, 119,528.91 and 23,529.72

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Solution

The fourth proportional to 79,704.48, 119,528.91 and 23,529.72 is: 35,286.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,704.48 : 119,528.91 = 23,529.72 : x
  2. Step 2: Convert to fraction form
    79,704.48/119,528.91 = 23,529.72/x
  3. Step 3: Cross multiply
    79,704.48x = 119,528.91 × 23,529.72
  4. Step 4: Simplify right side
    79,704.48x = 2,812,481,784.21
  5. Step 5: Solve for x
    x = 2,812,481,784.21/79,704.48
  6. Step 6: Final answer
    x = 35,286.37

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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.