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Finding the Fourth Proportional to 167,823.60, 251,735.52 and 115,073.12

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Solution

The fourth proportional to 167,823.60, 251,735.52 and 115,073.12 is: 172,609.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,823.60 : 251,735.52 = 115,073.12 : x
  2. Step 2: Convert to fraction form
    167,823.60/251,735.52 = 115,073.12/x
  3. Step 3: Cross multiply
    167,823.60x = 251,735.52 × 115,073.12
  4. Step 4: Simplify right side
    167,823.60x = 28,967,991,701.22
  5. Step 5: Solve for x
    x = 28,967,991,701.22/167,823.60
  6. Step 6: Final answer
    x = 172,609.76

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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.