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Finding the Fourth Proportional to 226,647.97, 312,767.64 and 124,673.47

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Solution

The fourth proportional to 226,647.97, 312,767.64 and 124,673.47 is: 172,045.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,647.97 : 312,767.64 = 124,673.47 : x
  2. Step 2: Convert to fraction form
    226,647.97/312,767.64 = 124,673.47/x
  3. Step 3: Cross multiply
    226,647.97x = 312,767.64 × 124,673.47
  4. Step 4: Simplify right side
    226,647.97x = 38,993,826,200.59
  5. Step 5: Solve for x
    x = 38,993,826,200.59/226,647.97
  6. Step 6: Final answer
    x = 172,045.78

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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.