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Finding the Fourth Proportional to 103,471.60, 155,234.40 and 33,352.60

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Solution

The fourth proportional to 103,471.60, 155,234.40 and 33,352.60 is: 50,037.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,471.60 : 155,234.40 = 33,352.60 : x
  2. Step 2: Convert to fraction form
    103,471.60/155,234.40 = 33,352.60/x
  3. Step 3: Cross multiply
    103,471.60x = 155,234.40 × 33,352.60
  4. Step 4: Simplify right side
    103,471.60x = 5,177,470,849.44
  5. Step 5: Solve for x
    x = 5,177,470,849.44/103,471.60
  6. Step 6: Final answer
    x = 50,037.60

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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.