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Finding the Fourth Proportional to 226,542.88, 312,622.90 and 124,568.54

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Solution

The fourth proportional to 226,542.88, 312,622.90 and 124,568.54 is: 171,901.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,542.88 : 312,622.90 = 124,568.54 : x
  2. Step 2: Convert to fraction form
    226,542.88/312,622.90 = 124,568.54/x
  3. Step 3: Cross multiply
    226,542.88x = 312,622.90 × 124,568.54
  4. Step 4: Simplify right side
    226,542.88x = 38,942,978,223.57
  5. Step 5: Solve for x
    x = 38,942,978,223.57/226,542.88
  6. Step 6: Final answer
    x = 171,901.14

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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.