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Finding the Fourth Proportional to 125,619.26, 188,414.04 and 41,358.74

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Solution

The fourth proportional to 125,619.26, 188,414.04 and 41,358.74 is: 62,033.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,619.26 : 188,414.04 = 41,358.74 : x
  2. Step 2: Convert to fraction form
    125,619.26/188,414.04 = 41,358.74/x
  3. Step 3: Cross multiply
    125,619.26x = 188,414.04 × 41,358.74
  4. Step 4: Simplify right side
    125,619.26x = 7,792,567,292.71
  5. Step 5: Solve for x
    x = 7,792,567,292.71/125,619.26
  6. Step 6: Final answer
    x = 62,033.22

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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.