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Finding the Fourth Proportional to 226,676.97, 312,801.86 and 124,685.97

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Solution

The fourth proportional to 226,676.97, 312,801.86 and 124,685.97 is: 172,059.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,676.97 : 312,801.86 = 124,685.97 : x
  2. Step 2: Convert to fraction form
    226,676.97/312,801.86 = 124,685.97/x
  3. Step 3: Cross multiply
    226,676.97x = 312,801.86 × 124,685.97
  4. Step 4: Simplify right side
    226,676.97x = 39,002,002,708.47
  5. Step 5: Solve for x
    x = 39,002,002,708.47/226,676.97
  6. Step 6: Final answer
    x = 172,059.84

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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.