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Finding the Fourth Proportional to 226,540.88, 312,620.14 and 124,566.54

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Solution

The fourth proportional to 226,540.88, 312,620.14 and 124,566.54 is: 171,898.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,540.88 : 312,620.14 = 124,566.54 : x
  2. Step 2: Convert to fraction form
    226,540.88/312,620.14 = 124,566.54/x
  3. Step 3: Cross multiply
    226,540.88x = 312,620.14 × 124,566.54
  4. Step 4: Simplify right side
    226,540.88x = 38,942,009,174.12
  5. Step 5: Solve for x
    x = 38,942,009,174.12/226,540.88
  6. Step 6: Final answer
    x = 171,898.38

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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.