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Finding the Fourth Proportional to 79,310.75, 119,007.90 and 34,968.11

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Solution

The fourth proportional to 79,310.75, 119,007.90 and 34,968.11 is: 52,470.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,310.75 : 119,007.90 = 34,968.11 : x
  2. Step 2: Convert to fraction form
    79,310.75/119,007.90 = 34,968.11/x
  3. Step 3: Cross multiply
    79,310.75x = 119,007.90 × 34,968.11
  4. Step 4: Simplify right side
    79,310.75x = 4,161,480,743.03
  5. Step 5: Solve for x
    x = 4,161,480,743.03/79,310.75
  6. Step 6: Final answer
    x = 52,470.58

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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.