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Finding the Fourth Proportional to 227,472.58, 313,913.22 and 125,499.28

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Solution

The fourth proportional to 227,472.58, 313,913.22 and 125,499.28 is: 173,189.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,472.58 : 313,913.22 = 125,499.28 : x
  2. Step 2: Convert to fraction form
    227,472.58/313,913.22 = 125,499.28/x
  3. Step 3: Cross multiply
    227,472.58x = 313,913.22 × 125,499.28
  4. Step 4: Simplify right side
    227,472.58x = 39,395,883,092.48
  5. Step 5: Solve for x
    x = 39,395,883,092.48/227,472.58
  6. Step 6: Final answer
    x = 173,189.59

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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.