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Finding the Fourth Proportional to 167,493.47, 251,186.20 and 55,146.93

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Solution

The fourth proportional to 167,493.47, 251,186.20 and 55,146.93 is: 82,702.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,493.47 : 251,186.20 = 55,146.93 : x
  2. Step 2: Convert to fraction form
    167,493.47/251,186.20 = 55,146.93/x
  3. Step 3: Cross multiply
    167,493.47x = 251,186.20 × 55,146.93
  4. Step 4: Simplify right side
    167,493.47x = 13,852,147,788.37
  5. Step 5: Solve for x
    x = 13,852,147,788.37/167,493.47
  6. Step 6: Final answer
    x = 82,702.61

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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.