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Finding the Fourth Proportional to 60,769.90, 91,169.52 and 22,819.48

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Solution

The fourth proportional to 60,769.90, 91,169.52 and 22,819.48 is: 34,234.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,769.90 : 91,169.52 = 22,819.48 : x
  2. Step 2: Convert to fraction form
    60,769.90/91,169.52 = 22,819.48/x
  3. Step 3: Cross multiply
    60,769.90x = 91,169.52 × 22,819.48
  4. Step 4: Simplify right side
    60,769.90x = 2,080,441,038.25
  5. Step 5: Solve for x
    x = 2,080,441,038.25/60,769.90
  6. Step 6: Final answer
    x = 34,234.73

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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.