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Finding the Fourth Proportional to 269,169.94, 403,814.02 and 79,615.50

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Solution

The fourth proportional to 269,169.94, 403,814.02 and 79,615.50 is: 119,440.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,169.94 : 403,814.02 = 79,615.50 : x
  2. Step 2: Convert to fraction form
    269,169.94/403,814.02 = 79,615.50/x
  3. Step 3: Cross multiply
    269,169.94x = 403,814.02 × 79,615.50
  4. Step 4: Simplify right side
    269,169.94x = 32,149,855,109.31
  5. Step 5: Solve for x
    x = 32,149,855,109.31/269,169.94
  6. Step 6: Final answer
    x = 119,440.73

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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.