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Finding the Fourth Proportional to 167,328.21, 250,743.06 and 92,469.74

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Solution

The fourth proportional to 167,328.21, 250,743.06 and 92,469.74 is: 138,566.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,328.21 : 250,743.06 = 92,469.74 : x
  2. Step 2: Convert to fraction form
    167,328.21/250,743.06 = 92,469.74/x
  3. Step 3: Cross multiply
    167,328.21x = 250,743.06 × 92,469.74
  4. Step 4: Simplify right side
    167,328.21x = 23,186,144,311.29
  5. Step 5: Solve for x
    x = 23,186,144,311.29/167,328.21
  6. Step 6: Final answer
    x = 138,566.86

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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.