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Finding the Fourth Proportional to 192,872.40, 266,027.40 and 165,968.52

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Solution

The fourth proportional to 192,872.40, 266,027.40 and 165,968.52 is: 228,919.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,872.40 : 266,027.40 = 165,968.52 : x
  2. Step 2: Convert to fraction form
    192,872.40/266,027.40 = 165,968.52/x
  3. Step 3: Cross multiply
    192,872.40x = 266,027.40 × 165,968.52
  4. Step 4: Simplify right side
    192,872.40x = 44,152,173,857.45
  5. Step 5: Solve for x
    x = 44,152,173,857.45/192,872.40
  6. Step 6: Final answer
    x = 228,919.09

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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.