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Finding the Fourth Proportional to 226,757.19, 312,927.77 and 124,794.39

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Solution

The fourth proportional to 226,757.19, 312,927.77 and 124,794.39 is: 172,217.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,757.19 : 312,927.77 = 124,794.39 : x
  2. Step 2: Convert to fraction form
    226,757.19/312,927.77 = 124,794.39/x
  3. Step 3: Cross multiply
    226,757.19x = 312,927.77 × 124,794.39
  4. Step 4: Simplify right side
    226,757.19x = 39,051,630,171.21
  5. Step 5: Solve for x
    x = 39,051,630,171.21/226,757.19
  6. Step 6: Final answer
    x = 172,217.83

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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.