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Finding the Fourth Proportional to 225,155.92, 337,399.60 and 125,178.56

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Solution

The fourth proportional to 225,155.92, 337,399.60 and 125,178.56 is: 187,581.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,155.92 : 337,399.60 = 125,178.56 : x
  2. Step 2: Convert to fraction form
    225,155.92/337,399.60 = 125,178.56/x
  3. Step 3: Cross multiply
    225,155.92x = 337,399.60 × 125,178.56
  4. Step 4: Simplify right side
    225,155.92x = 42,235,196,072.58
  5. Step 5: Solve for x
    x = 42,235,196,072.58/225,155.92
  6. Step 6: Final answer
    x = 187,581.99

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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.