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Finding the Fourth Proportional to 125,915.01, 188,879.91 and 35,950.80

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Solution

The fourth proportional to 125,915.01, 188,879.91 and 35,950.80 is: 53,928.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,915.01 : 188,879.91 = 35,950.80 : x
  2. Step 2: Convert to fraction form
    125,915.01/188,879.91 = 35,950.80/x
  3. Step 3: Cross multiply
    125,915.01x = 188,879.91 × 35,950.80
  4. Step 4: Simplify right side
    125,915.01x = 6,790,383,868.43
  5. Step 5: Solve for x
    x = 6,790,383,868.43/125,915.01
  6. Step 6: Final answer
    x = 53,928.31

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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.