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Finding the Fourth Proportional to 167,776.05, 251,662.87 and 67,934.71

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Solution

The fourth proportional to 167,776.05, 251,662.87 and 67,934.71 is: 101,901.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,776.05 : 251,662.87 = 67,934.71 : x
  2. Step 2: Convert to fraction form
    167,776.05/251,662.87 = 67,934.71/x
  3. Step 3: Cross multiply
    167,776.05x = 251,662.87 × 67,934.71
  4. Step 4: Simplify right side
    167,776.05x = 17,096,645,035.68
  5. Step 5: Solve for x
    x = 17,096,645,035.68/167,776.05
  6. Step 6: Final answer
    x = 101,901.58

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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.