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Finding the Fourth Proportional to 106,917.20, 160,414.20 and 44,606.80

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Solution

The fourth proportional to 106,917.20, 160,414.20 and 44,606.80 is: 66,926.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,917.20 : 160,414.20 = 44,606.80 : x
  2. Step 2: Convert to fraction form
    106,917.20/160,414.20 = 44,606.80/x
  3. Step 3: Cross multiply
    106,917.20x = 160,414.20 × 44,606.80
  4. Step 4: Simplify right side
    106,917.20x = 7,155,564,136.56
  5. Step 5: Solve for x
    x = 7,155,564,136.56/106,917.20
  6. Step 6: Final answer
    x = 66,926.22

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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.