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Finding the Fourth Proportional to 167,960.54, 251,976.35 and 55,634.40

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Solution

The fourth proportional to 167,960.54, 251,976.35 and 55,634.40 is: 83,463.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,960.54 : 251,976.35 = 55,634.40 : x
  2. Step 2: Convert to fraction form
    167,960.54/251,976.35 = 55,634.40/x
  3. Step 3: Cross multiply
    167,960.54x = 251,976.35 × 55,634.40
  4. Step 4: Simplify right side
    167,960.54x = 14,018,553,185.53
  5. Step 5: Solve for x
    x = 14,018,553,185.53/167,960.54
  6. Step 6: Final answer
    x = 83,463.37

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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.