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Finding the Fourth Proportional to 115,957.80, 173,796.30 and 49,257.90

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Solution

The fourth proportional to 115,957.80, 173,796.30 and 49,257.90 is: 73,827.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,957.80 : 173,796.30 = 49,257.90 : x
  2. Step 2: Convert to fraction form
    115,957.80/173,796.30 = 49,257.90/x
  3. Step 3: Cross multiply
    115,957.80x = 173,796.30 × 49,257.90
  4. Step 4: Simplify right side
    115,957.80x = 8,560,840,765.77
  5. Step 5: Solve for x
    x = 8,560,840,765.77/115,957.80
  6. Step 6: Final answer
    x = 73,827.21

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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.