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Finding the Fourth Proportional to 225,854.97, 311,672.03 and 125,262.33

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Solution

The fourth proportional to 225,854.97, 311,672.03 and 125,262.33 is: 172,857.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,854.97 : 311,672.03 = 125,262.33 : x
  2. Step 2: Convert to fraction form
    225,854.97/311,672.03 = 125,262.33/x
  3. Step 3: Cross multiply
    225,854.97x = 311,672.03 × 125,262.33
  4. Step 4: Simplify right side
    225,854.97x = 39,040,764,047.32
  5. Step 5: Solve for x
    x = 39,040,764,047.32/225,854.97
  6. Step 6: Final answer
    x = 172,857.67

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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.