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Finding the Fourth Proportional to 68,792.37, 94,937.31 and 51,765.98

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Solution

The fourth proportional to 68,792.37, 94,937.31 and 51,765.98 is: 71,439.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,792.37 : 94,937.31 = 51,765.98 : x
  2. Step 2: Convert to fraction form
    68,792.37/94,937.31 = 51,765.98/x
  3. Step 3: Cross multiply
    68,792.37x = 94,937.31 × 51,765.98
  4. Step 4: Simplify right side
    68,792.37x = 4,914,522,416.03
  5. Step 5: Solve for x
    x = 4,914,522,416.03/68,792.37
  6. Step 6: Final answer
    x = 71,439.93

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Why These Related Problems?

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