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Finding the Fourth Proportional to 167,346.44, 251,019.64 and 42,687.44

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Solution

The fourth proportional to 167,346.44, 251,019.64 and 42,687.44 is: 64,031.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,346.44 : 251,019.64 = 42,687.44 : x
  2. Step 2: Convert to fraction form
    167,346.44/251,019.64 = 42,687.44/x
  3. Step 3: Cross multiply
    167,346.44x = 251,019.64 × 42,687.44
  4. Step 4: Simplify right side
    167,346.44x = 10,715,385,560.91
  5. Step 5: Solve for x
    x = 10,715,385,560.91/167,346.44
  6. Step 6: Final answer
    x = 64,031.15

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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.