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Finding the Fourth Proportional to 273,532.60, 410,007.30 and 104,987.80

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Solution

The fourth proportional to 273,532.60, 410,007.30 and 104,987.80 is: 157,369.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,532.60 : 410,007.30 = 104,987.80 : x
  2. Step 2: Convert to fraction form
    273,532.60/410,007.30 = 104,987.80/x
  3. Step 3: Cross multiply
    273,532.60x = 410,007.30 × 104,987.80
  4. Step 4: Simplify right side
    273,532.60x = 43,045,764,410.94
  5. Step 5: Solve for x
    x = 43,045,764,410.94/273,532.60
  6. Step 6: Final answer
    x = 157,369.78

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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.