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Finding the Fourth Proportional to 125,876.67, 188,815.50 and 50,998.23

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Solution

The fourth proportional to 125,876.67, 188,815.50 and 50,998.23 is: 76,497.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,876.67 : 188,815.50 = 50,998.23 : x
  2. Step 2: Convert to fraction form
    125,876.67/188,815.50 = 50,998.23/x
  3. Step 3: Cross multiply
    125,876.67x = 188,815.50 × 50,998.23
  4. Step 4: Simplify right side
    125,876.67x = 9,629,256,296.57
  5. Step 5: Solve for x
    x = 9,629,256,296.57/125,876.67
  6. Step 6: Final answer
    x = 76,497.55

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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.