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Finding the Fourth Proportional to 262,792.15, 393,936.41 and 167,754.24

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Solution

The fourth proportional to 262,792.15, 393,936.41 and 167,754.24 is: 251,470.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,792.15 : 393,936.41 = 167,754.24 : x
  2. Step 2: Convert to fraction form
    262,792.15/393,936.41 = 167,754.24/x
  3. Step 3: Cross multiply
    262,792.15x = 393,936.41 × 167,754.24
  4. Step 4: Simplify right side
    262,792.15x = 66,084,503,487.26
  5. Step 5: Solve for x
    x = 66,084,503,487.26/262,792.15
  6. Step 6: Final answer
    x = 251,470.62

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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.