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Finding the Fourth Proportional to 150,558.57, 225,766.37 and 87,398.06

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Solution

The fourth proportional to 150,558.57, 225,766.37 and 87,398.06 is: 131,055.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,558.57 : 225,766.37 = 87,398.06 : x
  2. Step 2: Convert to fraction form
    150,558.57/225,766.37 = 87,398.06/x
  3. Step 3: Cross multiply
    150,558.57x = 225,766.37 × 87,398.06
  4. Step 4: Simplify right side
    150,558.57x = 19,731,542,751.24
  5. Step 5: Solve for x
    x = 19,731,542,751.24/150,558.57
  6. Step 6: Final answer
    x = 131,055.59

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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.