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Finding the Fourth Proportional to 69,169.92, 103,762.44 and 24,790.56

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Solution

The fourth proportional to 69,169.92, 103,762.44 and 24,790.56 is: 37,188.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,169.92 : 103,762.44 = 24,790.56 : x
  2. Step 2: Convert to fraction form
    69,169.92/103,762.44 = 24,790.56/x
  3. Step 3: Cross multiply
    69,169.92x = 103,762.44 × 24,790.56
  4. Step 4: Simplify right side
    69,169.92x = 2,572,328,994.57
  5. Step 5: Solve for x
    x = 2,572,328,994.57/69,169.92
  6. Step 6: Final answer
    x = 37,188.55

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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.