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Finding the Fourth Proportional to 69,106.30, 103,659.45 and 22,363.90

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Solution

The fourth proportional to 69,106.30, 103,659.45 and 22,363.90 is: 33,545.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,106.30 : 103,659.45 = 22,363.90 : x
  2. Step 2: Convert to fraction form
    69,106.30/103,659.45 = 22,363.90/x
  3. Step 3: Cross multiply
    69,106.30x = 103,659.45 × 22,363.90
  4. Step 4: Simplify right side
    69,106.30x = 2,318,229,573.86
  5. Step 5: Solve for x
    x = 2,318,229,573.86/69,106.30
  6. Step 6: Final answer
    x = 33,545.85

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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.