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Finding the Fourth Proportional to 125,635.71, 188,379.77 and 50,758.23

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Solution

The fourth proportional to 125,635.71, 188,379.77 and 50,758.23 is: 76,107.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,635.71 : 188,379.77 = 50,758.23 : x
  2. Step 2: Convert to fraction form
    125,635.71/188,379.77 = 50,758.23/x
  3. Step 3: Cross multiply
    125,635.71x = 188,379.77 × 50,758.23
  4. Step 4: Simplify right side
    125,635.71x = 9,561,823,439.22
  5. Step 5: Solve for x
    x = 9,561,823,439.22/125,635.71
  6. Step 6: Final answer
    x = 76,107.53

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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.