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Finding the Fourth Proportional to 125,876.07, 188,769.14 and 41,620.68

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Solution

The fourth proportional to 125,876.07, 188,769.14 and 41,620.68 is: 62,416.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,876.07 : 188,769.14 = 41,620.68 : x
  2. Step 2: Convert to fraction form
    125,876.07/188,769.14 = 41,620.68/x
  3. Step 3: Cross multiply
    125,876.07x = 188,769.14 × 41,620.68
  4. Step 4: Simplify right side
    125,876.07x = 7,856,699,761.71
  5. Step 5: Solve for x
    x = 7,856,699,761.71/125,876.07
  6. Step 6: Final answer
    x = 62,416.15

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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.