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Finding the Fourth Proportional to 225,201.37, 310,775.25 and 123,225.67

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Solution

The fourth proportional to 225,201.37, 310,775.25 and 123,225.67 is: 170,049.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,201.37 : 310,775.25 = 123,225.67 : x
  2. Step 2: Convert to fraction form
    225,201.37/310,775.25 = 123,225.67/x
  3. Step 3: Cross multiply
    225,201.37x = 310,775.25 × 123,225.67
  4. Step 4: Simplify right side
    225,201.37x = 38,295,486,230.66
  5. Step 5: Solve for x
    x = 38,295,486,230.66/225,201.37
  6. Step 6: Final answer
    x = 170,049.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.