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Finding the Fourth Proportional to 161,694.56, 223,143.50 and 92,796.59

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Solution

The fourth proportional to 161,694.56, 223,143.50 and 92,796.59 is: 128,062.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,694.56 : 223,143.50 = 92,796.59 : x
  2. Step 2: Convert to fraction form
    161,694.56/223,143.50 = 92,796.59/x
  3. Step 3: Cross multiply
    161,694.56x = 223,143.50 × 92,796.59
  4. Step 4: Simplify right side
    161,694.56x = 20,706,955,880.67
  5. Step 5: Solve for x
    x = 20,706,955,880.67/161,694.56
  6. Step 6: Final answer
    x = 128,062.17

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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.