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Finding the Fourth Proportional to 125,107.40, 187,673.42 and 36,361.68

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Solution

The fourth proportional to 125,107.40, 187,673.42 and 36,361.68 is: 54,546.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,107.40 : 187,673.42 = 36,361.68 : x
  2. Step 2: Convert to fraction form
    125,107.40/187,673.42 = 36,361.68/x
  3. Step 3: Cross multiply
    125,107.40x = 187,673.42 × 36,361.68
  4. Step 4: Simplify right side
    125,107.40x = 6,824,120,842.55
  5. Step 5: Solve for x
    x = 6,824,120,842.55/125,107.40
  6. Step 6: Final answer
    x = 54,546.10

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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.