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Finding the Fourth Proportional to 116,568.56, 160,583.64 and 92,687.60

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Solution

The fourth proportional to 116,568.56, 160,583.64 and 92,687.60 is: 127,685.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,568.56 : 160,583.64 = 92,687.60 : x
  2. Step 2: Convert to fraction form
    116,568.56/160,583.64 = 92,687.60/x
  3. Step 3: Cross multiply
    116,568.56x = 160,583.64 × 92,687.60
  4. Step 4: Simplify right side
    116,568.56x = 14,884,112,190.86
  5. Step 5: Solve for x
    x = 14,884,112,190.86/116,568.56
  6. Step 6: Final answer
    x = 127,685.48

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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.