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Finding the Fourth Proportional to 79,794.97, 119,709.97 and 23,639.47

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Solution

The fourth proportional to 79,794.97, 119,709.97 and 23,639.47 is: 35,464.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,794.97 : 119,709.97 = 23,639.47 : x
  2. Step 2: Convert to fraction form
    79,794.97/119,709.97 = 23,639.47/x
  3. Step 3: Cross multiply
    79,794.97x = 119,709.97 × 23,639.47
  4. Step 4: Simplify right side
    79,794.97x = 2,829,880,379.38
  5. Step 5: Solve for x
    x = 2,829,880,379.38/79,794.97
  6. Step 6: Final answer
    x = 35,464.40

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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.