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Finding the Fourth Proportional to 150,558.63, 225,766.46 and 87,398.12

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Solution

The fourth proportional to 150,558.63, 225,766.46 and 87,398.12 is: 131,055.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,558.63 : 225,766.46 = 87,398.12 : x
  2. Step 2: Convert to fraction form
    150,558.63/225,766.46 = 87,398.12/x
  3. Step 3: Cross multiply
    150,558.63x = 225,766.46 × 87,398.12
  4. Step 4: Simplify right side
    150,558.63x = 19,731,564,945.97
  5. Step 5: Solve for x
    x = 19,731,564,945.97/150,558.63
  6. Step 6: Final answer
    x = 131,055.69

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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.