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Finding the Fourth Proportional to 167,486.92, 231,129.28 and 92,033.80

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Solution

The fourth proportional to 167,486.92, 231,129.28 and 92,033.80 is: 127,005.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,486.92 : 231,129.28 = 92,033.80 : x
  2. Step 2: Convert to fraction form
    167,486.92/231,129.28 = 92,033.80/x
  3. Step 3: Cross multiply
    167,486.92x = 231,129.28 × 92,033.80
  4. Step 4: Simplify right side
    167,486.92x = 21,271,705,929.66
  5. Step 5: Solve for x
    x = 21,271,705,929.66/167,486.92
  6. Step 6: Final answer
    x = 127,005.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.