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Finding the Fourth Proportional to 158,676.99, 238,016.30 and 53,496.87

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Solution

The fourth proportional to 158,676.99, 238,016.30 and 53,496.87 is: 80,245.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,676.99 : 238,016.30 = 53,496.87 : x
  2. Step 2: Convert to fraction form
    158,676.99/238,016.30 = 53,496.87/x
  3. Step 3: Cross multiply
    158,676.99x = 238,016.30 × 53,496.87
  4. Step 4: Simplify right side
    158,676.99x = 12,733,126,791.50
  5. Step 5: Solve for x
    x = 12,733,126,791.50/158,676.99
  6. Step 6: Final answer
    x = 80,245.58

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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.