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Finding the Fourth Proportional to 69,158.88, 103,747.41 and 24,790.68

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Solution

The fourth proportional to 69,158.88, 103,747.41 and 24,790.68 is: 37,189.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,158.88 : 103,747.41 = 24,790.68 : x
  2. Step 2: Convert to fraction form
    69,158.88/103,747.41 = 24,790.68/x
  3. Step 3: Cross multiply
    69,158.88x = 103,747.41 × 24,790.68
  4. Step 4: Simplify right side
    69,158.88x = 2,571,968,842.14
  5. Step 5: Solve for x
    x = 2,571,968,842.14/69,158.88
  6. Step 6: Final answer
    x = 37,189.28

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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.