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Finding the Fourth Proportional to 167,842.60, 251,764.52 and 68,004.72

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Solution

The fourth proportional to 167,842.60, 251,764.52 and 68,004.72 is: 102,007.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,842.60 : 251,764.52 = 68,004.72 : x
  2. Step 2: Convert to fraction form
    167,842.60/251,764.52 = 68,004.72/x
  3. Step 3: Cross multiply
    167,842.60x = 251,764.52 × 68,004.72
  4. Step 4: Simplify right side
    167,842.60x = 17,121,175,688.53
  5. Step 5: Solve for x
    x = 17,121,175,688.53/167,842.60
  6. Step 6: Final answer
    x = 102,007.33

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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.