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Finding the Fourth Proportional to 167,498.78, 251,297.04 and 67,607.96

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Solution

The fourth proportional to 167,498.78, 251,297.04 and 67,607.96 is: 101,431.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,498.78 : 251,297.04 = 67,607.96 : x
  2. Step 2: Convert to fraction form
    167,498.78/251,297.04 = 67,607.96/x
  3. Step 3: Cross multiply
    167,498.78x = 251,297.04 × 67,607.96
  4. Step 4: Simplify right side
    167,498.78x = 16,989,680,228.44
  5. Step 5: Solve for x
    x = 16,989,680,228.44/167,498.78
  6. Step 6: Final answer
    x = 101,431.67

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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.