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Finding the Fourth Proportional to 167,472, 251,244.96 and 55,186.80

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Solution

The fourth proportional to 167,472, 251,244.96 and 55,186.80 is: 82,792.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,472 : 251,244.96 = 55,186.80 : x
  2. Step 2: Convert to fraction form
    167,472/251,244.96 = 55,186.80/x
  3. Step 3: Cross multiply
    167,472x = 251,244.96 × 55,186.80
  4. Step 4: Simplify right side
    167,472x = 13,865,405,358.53
  5. Step 5: Solve for x
    x = 13,865,405,358.53/167,472
  6. Step 6: Final answer
    x = 82,792.38

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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.