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Finding the Fourth Proportional to 125,880.60, 188,793.48 and 41,620.86

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Solution

The fourth proportional to 125,880.60, 188,793.48 and 41,620.86 is: 62,422.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,880.60 : 188,793.48 = 41,620.86 : x
  2. Step 2: Convert to fraction form
    125,880.60/188,793.48 = 41,620.86/x
  3. Step 3: Cross multiply
    125,880.60x = 188,793.48 × 41,620.86
  4. Step 4: Simplify right side
    125,880.60x = 7,857,746,999.99
  5. Step 5: Solve for x
    x = 7,857,746,999.99/125,880.60
  6. Step 6: Final answer
    x = 62,422.22

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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.