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Finding the Fourth Proportional to 125,793.80, 188,650.71 and 41,538.26

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Solution

The fourth proportional to 125,793.80, 188,650.71 and 41,538.26 is: 62,294.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,793.80 : 188,650.71 = 41,538.26 : x
  2. Step 2: Convert to fraction form
    125,793.80/188,650.71 = 41,538.26/x
  3. Step 3: Cross multiply
    125,793.80x = 188,650.71 × 41,538.26
  4. Step 4: Simplify right side
    125,793.80x = 7,836,221,297.91
  5. Step 5: Solve for x
    x = 7,836,221,297.91/125,793.80
  6. Step 6: Final answer
    x = 62,294.18

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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.