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Finding the Fourth Proportional to 226,251.70, 339,377.55 and 115,429.30

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Solution

The fourth proportional to 226,251.70, 339,377.55 and 115,429.30 is: 173,143.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,251.70 : 339,377.55 = 115,429.30 : x
  2. Step 2: Convert to fraction form
    226,251.70/339,377.55 = 115,429.30/x
  3. Step 3: Cross multiply
    226,251.70x = 339,377.55 × 115,429.30
  4. Step 4: Simplify right side
    226,251.70x = 39,174,113,032.22
  5. Step 5: Solve for x
    x = 39,174,113,032.22/226,251.70
  6. Step 6: Final answer
    x = 173,143.95

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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.