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Finding the Fourth Proportional to 69,029.30, 103,523.90 and 26,899.98

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Solution

The fourth proportional to 69,029.30, 103,523.90 and 26,899.98 is: 40,342.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,029.30 : 103,523.90 = 26,899.98 : x
  2. Step 2: Convert to fraction form
    69,029.30/103,523.90 = 26,899.98/x
  3. Step 3: Cross multiply
    69,029.30x = 103,523.90 × 26,899.98
  4. Step 4: Simplify right side
    69,029.30x = 2,784,790,839.52
  5. Step 5: Solve for x
    x = 2,784,790,839.52/69,029.30
  6. Step 6: Final answer
    x = 40,342.16

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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.