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Finding the Fourth Proportional to 167,681.88, 251,553.87 and 55,369.89

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Solution

The fourth proportional to 167,681.88, 251,553.87 and 55,369.89 is: 83,065.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,681.88 : 251,553.87 = 55,369.89 : x
  2. Step 2: Convert to fraction form
    167,681.88/251,553.87 = 55,369.89/x
  3. Step 3: Cross multiply
    167,681.88x = 251,553.87 × 55,369.89
  4. Step 4: Simplify right side
    167,681.88x = 13,928,510,110.97
  5. Step 5: Solve for x
    x = 13,928,510,110.97/167,681.88
  6. Step 6: Final answer
    x = 83,065.09

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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.