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Finding the Fourth Proportional to 107,949.60, 161,805.60 and 37,792.80

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Solution

The fourth proportional to 107,949.60, 161,805.60 and 37,792.80 is: 56,647.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,949.60 : 161,805.60 = 37,792.80 : x
  2. Step 2: Convert to fraction form
    107,949.60/161,805.60 = 37,792.80/x
  3. Step 3: Cross multiply
    107,949.60x = 161,805.60 × 37,792.80
  4. Step 4: Simplify right side
    107,949.60x = 6,115,086,679.68
  5. Step 5: Solve for x
    x = 6,115,086,679.68/107,949.60
  6. Step 6: Final answer
    x = 56,647.61

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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.