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Finding the Fourth Proportional to 225,434.02, 338,202.87 and 67,665.46

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Solution

The fourth proportional to 225,434.02, 338,202.87 and 67,665.46 is: 101,513.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,434.02 : 338,202.87 = 67,665.46 : x
  2. Step 2: Convert to fraction form
    225,434.02/338,202.87 = 67,665.46/x
  3. Step 3: Cross multiply
    225,434.02x = 338,202.87 × 67,665.46
  4. Step 4: Simplify right side
    225,434.02x = 22,884,652,771.87
  5. Step 5: Solve for x
    x = 22,884,652,771.87/225,434.02
  6. Step 6: Final answer
    x = 101,513.75

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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.