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Finding the Fourth Proportional to 125,523.78, 188,317.52 and 58,104.41

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Solution

The fourth proportional to 125,523.78, 188,317.52 and 58,104.41 is: 87,171.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,523.78 : 188,317.52 = 58,104.41 : x
  2. Step 2: Convert to fraction form
    125,523.78/188,317.52 = 58,104.41/x
  3. Step 3: Cross multiply
    125,523.78x = 188,317.52 × 58,104.41
  4. Step 4: Simplify right side
    125,523.78x = 10,942,077,450.68
  5. Step 5: Solve for x
    x = 10,942,077,450.68/125,523.78
  6. Step 6: Final answer
    x = 87,171.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.