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Finding the Fourth Proportional to 226,907.73, 313,140.13 and 124,940.68

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Solution

The fourth proportional to 226,907.73, 313,140.13 and 124,940.68 is: 172,422.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,907.73 : 313,140.13 = 124,940.68 : x
  2. Step 2: Convert to fraction form
    226,907.73/313,140.13 = 124,940.68/x
  3. Step 3: Cross multiply
    226,907.73x = 313,140.13 × 124,940.68
  4. Step 4: Simplify right side
    226,907.73x = 39,123,939,682.29
  5. Step 5: Solve for x
    x = 39,123,939,682.29/226,907.73
  6. Step 6: Final answer
    x = 172,422.24

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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.