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Finding the Fourth Proportional to 125,918.46, 188,898.21 and 37,180.94

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Solution

The fourth proportional to 125,918.46, 188,898.21 and 37,180.94 is: 55,777.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,918.46 : 188,898.21 = 37,180.94 : x
  2. Step 2: Convert to fraction form
    125,918.46/188,898.21 = 37,180.94/x
  3. Step 3: Cross multiply
    125,918.46x = 188,898.21 × 37,180.94
  4. Step 4: Simplify right side
    125,918.46x = 7,023,412,067.63
  5. Step 5: Solve for x
    x = 7,023,412,067.63/125,918.46
  6. Step 6: Final answer
    x = 55,777.46

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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.