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Finding the Fourth Proportional to 125,982, 188,973 and 52,110

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Solution

The fourth proportional to 125,982, 188,973 and 52,110 is: 78,165

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,982 : 188,973 = 52,110 : x
  2. Step 2: Convert to fraction form
    125,982/188,973 = 52,110/x
  3. Step 3: Cross multiply
    125,982x = 188,973 × 52,110
  4. Step 4: Simplify right side
    125,982x = 9,847,383,030
  5. Step 5: Solve for x
    x = 9,847,383,030/125,982
  6. Step 6: Final answer
    x = 78,165

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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.