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Finding the Fourth Proportional to 125,906.94, 188,860.41 and 41,644.46

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Solution

The fourth proportional to 125,906.94, 188,860.41 and 41,644.46 is: 62,466.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,906.94 : 188,860.41 = 41,644.46 : x
  2. Step 2: Convert to fraction form
    125,906.94/188,860.41 = 41,644.46/x
  3. Step 3: Cross multiply
    125,906.94x = 188,860.41 × 41,644.46
  4. Step 4: Simplify right side
    125,906.94x = 7,864,990,261.98
  5. Step 5: Solve for x
    x = 7,864,990,261.98/125,906.94
  6. Step 6: Final answer
    x = 62,466.69

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1.5x scale

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.