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Finding the Fourth Proportional to 225,216.77, 337,775.94 and 75,478.37

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Solution

The fourth proportional to 225,216.77, 337,775.94 and 75,478.37 is: 113,201.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,216.77 : 337,775.94 = 75,478.37 : x
  2. Step 2: Convert to fraction form
    225,216.77/337,775.94 = 75,478.37/x
  3. Step 3: Cross multiply
    225,216.77x = 337,775.94 × 75,478.37
  4. Step 4: Simplify right side
    225,216.77x = 25,494,775,687.54
  5. Step 5: Solve for x
    x = 25,494,775,687.54/225,216.77
  6. Step 6: Final answer
    x = 113,201.06

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1.5x scale

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.