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Finding the Fourth Proportional to 127,073.41, 175,311.44 and 88,822.78

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Solution

The fourth proportional to 127,073.41, 175,311.44 and 88,822.78 is: 122,540.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,073.41 : 175,311.44 = 88,822.78 : x
  2. Step 2: Convert to fraction form
    127,073.41/175,311.44 = 88,822.78/x
  3. Step 3: Cross multiply
    127,073.41x = 175,311.44 × 88,822.78
  4. Step 4: Simplify right side
    127,073.41x = 15,571,648,917.30
  5. Step 5: Solve for x
    x = 15,571,648,917.30/127,073.41
  6. Step 6: Final answer
    x = 122,540.58

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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.