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Finding the Fourth Proportional to 125,892.43, 188,790.86 and 41,627.32

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Solution

The fourth proportional to 125,892.43, 188,790.86 and 41,627.32 is: 62,425.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,892.43 : 188,790.86 = 41,627.32 : x
  2. Step 2: Convert to fraction form
    125,892.43/188,790.86 = 41,627.32/x
  3. Step 3: Cross multiply
    125,892.43x = 188,790.86 × 41,627.32
  4. Step 4: Simplify right side
    125,892.43x = 7,858,857,334.16
  5. Step 5: Solve for x
    x = 7,858,857,334.16/125,892.43
  6. Step 6: Final answer
    x = 62,425.18

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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.