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Finding the Fourth Proportional to 103,885.44, 155,847.56 and 41,560.80

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Solution

The fourth proportional to 103,885.44, 155,847.56 and 41,560.80 is: 62,348.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,885.44 : 155,847.56 = 41,560.80 : x
  2. Step 2: Convert to fraction form
    103,885.44/155,847.56 = 41,560.80/x
  3. Step 3: Cross multiply
    103,885.44x = 155,847.56 × 41,560.80
  4. Step 4: Simplify right side
    103,885.44x = 6,477,149,271.65
  5. Step 5: Solve for x
    x = 6,477,149,271.65/103,885.44
  6. Step 6: Final answer
    x = 62,348.96

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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.