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Finding the Fourth Proportional to 83,792.96, 115,644.36 and 47,994.56

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Solution

The fourth proportional to 83,792.96, 115,644.36 and 47,994.56 is: 66,238.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,792.96 : 115,644.36 = 47,994.56 : x
  2. Step 2: Convert to fraction form
    83,792.96/115,644.36 = 47,994.56/x
  3. Step 3: Cross multiply
    83,792.96x = 115,644.36 × 47,994.56
  4. Step 4: Simplify right side
    83,792.96x = 5,550,300,174.68
  5. Step 5: Solve for x
    x = 5,550,300,174.68/83,792.96
  6. Step 6: Final answer
    x = 66,238.26

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.