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Finding the Fourth Proportional to 171,182.47, 256,883.85 and 92,351.11

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Solution

The fourth proportional to 171,182.47, 256,883.85 and 92,351.11 is: 138,586.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,182.47 : 256,883.85 = 92,351.11 : x
  2. Step 2: Convert to fraction form
    171,182.47/256,883.85 = 92,351.11/x
  3. Step 3: Cross multiply
    171,182.47x = 256,883.85 × 92,351.11
  4. Step 4: Simplify right side
    171,182.47x = 23,723,508,688.57
  5. Step 5: Solve for x
    x = 23,723,508,688.57/171,182.47
  6. Step 6: Final answer
    x = 138,586.09

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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.