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Finding the Fourth Proportional to 167,892.46, 251,866.04 and 49,575.76

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Solution

The fourth proportional to 167,892.46, 251,866.04 and 49,575.76 is: 74,371.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,892.46 : 251,866.04 = 49,575.76 : x
  2. Step 2: Convert to fraction form
    167,892.46/251,866.04 = 49,575.76/x
  3. Step 3: Cross multiply
    167,892.46x = 251,866.04 × 49,575.76
  4. Step 4: Simplify right side
    167,892.46x = 12,486,450,890.39
  5. Step 5: Solve for x
    x = 12,486,450,890.39/167,892.46
  6. Step 6: Final answer
    x = 74,371.72

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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.