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Finding the Fourth Proportional to 225,404.01, 338,277.40 and 83,383.61

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Solution

The fourth proportional to 225,404.01, 338,277.40 and 83,383.61 is: 125,138.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,404.01 : 338,277.40 = 83,383.61 : x
  2. Step 2: Convert to fraction form
    225,404.01/338,277.40 = 83,383.61/x
  3. Step 3: Cross multiply
    225,404.01x = 338,277.40 × 83,383.61
  4. Step 4: Simplify right side
    225,404.01x = 28,206,788,893.57
  5. Step 5: Solve for x
    x = 28,206,788,893.57/225,404.01
  6. Step 6: Final answer
    x = 125,138.81

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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.