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Finding the Fourth Proportional to 135,951.04, 187,642.44 and 75,542.44

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Solution

The fourth proportional to 135,951.04, 187,642.44 and 75,542.44 is: 104,265.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,951.04 : 187,642.44 = 75,542.44 : x
  2. Step 2: Convert to fraction form
    135,951.04/187,642.44 = 75,542.44/x
  3. Step 3: Cross multiply
    135,951.04x = 187,642.44 × 75,542.44
  4. Step 4: Simplify right side
    135,951.04x = 14,174,967,765.15
  5. Step 5: Solve for x
    x = 14,174,967,765.15/135,951.04
  6. Step 6: Final answer
    x = 104,265.24

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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.