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Finding the Fourth Proportional to 226,996.80, 313,251.72 and 125,031.79

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Solution

The fourth proportional to 226,996.80, 313,251.72 and 125,031.79 is: 172,541.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,996.80 : 313,251.72 = 125,031.79 : x
  2. Step 2: Convert to fraction form
    226,996.80/313,251.72 = 125,031.79/x
  3. Step 3: Cross multiply
    226,996.80x = 313,251.72 × 125,031.79
  4. Step 4: Simplify right side
    226,996.80x = 39,166,423,194.87
  5. Step 5: Solve for x
    x = 39,166,423,194.87/226,996.80
  6. Step 6: Final answer
    x = 172,541.74

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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.