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Finding the Fourth Proportional to 174,589.31, 261,776.79 and 67,848.64

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Solution

The fourth proportional to 174,589.31, 261,776.79 and 67,848.64 is: 101,731.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,589.31 : 261,776.79 = 67,848.64 : x
  2. Step 2: Convert to fraction form
    174,589.31/261,776.79 = 67,848.64/x
  3. Step 3: Cross multiply
    174,589.31x = 261,776.79 × 67,848.64
  4. Step 4: Simplify right side
    174,589.31x = 17,761,198,694.15
  5. Step 5: Solve for x
    x = 17,761,198,694.15/174,589.31
  6. Step 6: Final answer
    x = 101,731.30

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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.