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Finding the Fourth Proportional to 79,873.30, 119,789.44 and 23,700.12

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Solution

The fourth proportional to 79,873.30, 119,789.44 and 23,700.12 is: 35,544.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,873.30 : 119,789.44 = 23,700.12 : x
  2. Step 2: Convert to fraction form
    79,873.30/119,789.44 = 23,700.12/x
  3. Step 3: Cross multiply
    79,873.30x = 119,789.44 × 23,700.12
  4. Step 4: Simplify right side
    79,873.30x = 2,839,024,402.21
  5. Step 5: Solve for x
    x = 2,839,024,402.21/79,873.30
  6. Step 6: Final answer
    x = 35,544.10

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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.