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Finding the Fourth Proportional to 167,493.76, 251,249.28 and 42,835.84

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Solution

The fourth proportional to 167,493.76, 251,249.28 and 42,835.84 is: 64,255.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,493.76 : 251,249.28 = 42,835.84 : x
  2. Step 2: Convert to fraction form
    167,493.76/251,249.28 = 42,835.84/x
  3. Step 3: Cross multiply
    167,493.76x = 251,249.28 × 42,835.84
  4. Step 4: Simplify right side
    167,493.76x = 10,762,473,958.20
  5. Step 5: Solve for x
    x = 10,762,473,958.20/167,493.76
  6. Step 6: Final answer
    x = 64,255.97

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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.