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Finding the Fourth Proportional to 125,894.70, 188,847.25 and 37,148.20

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Solution

The fourth proportional to 125,894.70, 188,847.25 and 37,148.20 is: 55,723.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,894.70 : 188,847.25 = 37,148.20 : x
  2. Step 2: Convert to fraction form
    125,894.70/188,847.25 = 37,148.20/x
  3. Step 3: Cross multiply
    125,894.70x = 188,847.25 × 37,148.20
  4. Step 4: Simplify right side
    125,894.70x = 7,015,335,505.32
  5. Step 5: Solve for x
    x = 7,015,335,505.32/125,894.70
  6. Step 6: Final answer
    x = 55,723.84

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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.