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Finding the Fourth Proportional to 225,648.02, 311,394.23 and 123,676.76

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Solution

The fourth proportional to 225,648.02, 311,394.23 and 123,676.76 is: 170,673.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,648.02 : 311,394.23 = 123,676.76 : x
  2. Step 2: Convert to fraction form
    225,648.02/311,394.23 = 123,676.76/x
  3. Step 3: Cross multiply
    225,648.02x = 311,394.23 × 123,676.76
  4. Step 4: Simplify right side
    225,648.02x = 38,512,227,273.74
  5. Step 5: Solve for x
    x = 38,512,227,273.74/225,648.02
  6. Step 6: Final answer
    x = 170,673.90

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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.