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Finding the Fourth Proportional to 69,246.30, 103,869.45 and 24,879.90

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Solution

The fourth proportional to 69,246.30, 103,869.45 and 24,879.90 is: 37,319.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,246.30 : 103,869.45 = 24,879.90 : x
  2. Step 2: Convert to fraction form
    69,246.30/103,869.45 = 24,879.90/x
  3. Step 3: Cross multiply
    69,246.30x = 103,869.45 × 24,879.90
  4. Step 4: Simplify right side
    69,246.30x = 2,584,261,529.06
  5. Step 5: Solve for x
    x = 2,584,261,529.06/69,246.30
  6. Step 6: Final answer
    x = 37,319.85

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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.