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Finding the Fourth Proportional to 171,298.72, 256,940.48 and 44,936.09

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Solution

The fourth proportional to 171,298.72, 256,940.48 and 44,936.09 is: 67,402.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,298.72 : 256,940.48 = 44,936.09 : x
  2. Step 2: Convert to fraction form
    171,298.72/256,940.48 = 44,936.09/x
  3. Step 3: Cross multiply
    171,298.72x = 256,940.48 × 44,936.09
  4. Step 4: Simplify right side
    171,298.72x = 11,545,899,024.54
  5. Step 5: Solve for x
    x = 11,545,899,024.54/171,298.72
  6. Step 6: Final answer
    x = 67,402.13

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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.